94 Highlights 71 Differences 6 Reactions 0 Likes

The Casper vs Sleep Number i8: 94 Highlights & 71 Differences — So, Which Mattress Actually Works Better

Wondering which mattress suits you better? Let's explore Casper and Sleep Number i8 side by side. We’ve laid out how The Casper and Sleep Number i8 differ on paper and in practice — especially when it comes to mattress core material, flippable design, bed bug resistant & warranty coverage type and actual sleep support.

72 Points
The Casper
60 Points
Sleep Number
Sleep Number
Sleep Number i8
Sleep Number i8
vs

Highlights 217

No extras. Just what matters.
72 Points
vs
60 Points

Why is The Casper better than Sleep Number i8 ?

Scroll down for more facts

Casper vs Sleep Number i8 Mattress Comparison: Which One Suits Your Sleep Style?

When it comes to investing in a premium mattress, both the Casper and the Sleep Number i8 stand out, each targeting comfort and quality for couples and heavy sleepers alike. They share core features like a 100-night trial period, low VOC emissions, CertiPUR-US certification, and compatibility with adjustable bases, making them healthy and versatile options. However, the Casper leans towards a straightforward foam build with medium firmness and simplicity. At the same time, the Sleep Number i8 introduces advanced air chamber technology with customizable firmness, smart features, and enhanced durability, offering a more luxurious and flexible sleeping experience.

Foam Simplicity Meets Reliable Comfort: Exploring the Casper Mattress

The Casper mattress is designed for those who appreciate straightforward, dependable comfort wrapped in health-friendly materials. Its foam mattress build combines memory and polyurethane foam to create a medium firmness level rated as 6 out of 10, appealing to sleepers who want balanced support without overwhelming softness or hardness. 

The comfort layer is modest at 1 inch thick, paired with a tight top quilting that offers stability rather than plush softness. It's a well-rounded mattress for those who prefer reliable zones of support, seeped in materials like cotton, polyester, viscose, and spandex for its breathable cover. 

The Casper also ensures health-conscious construction with CertiPUR-US certification, low VOC emissions, and a formaldehyde-free makeup. It supports couples and heavy sleepers up to 300 pounds per side and is compatible with adjustable bases. 

While it doesn't feature dual firmness or removable layers, it's vacuum-sealed for convenient delivery and has a quicker expansion time of 24 hours after unboxing. There's no smart technology integration or antimicrobial treatments, making it a solid, straightforward pick without bells and whistles. For the price point of around $1124 at Casper.ca, this mattress offers excellent value to those who prioritize simple, dependable comfort.

Advanced Customization and Tech Integration: Delving Into Sleep Number i8

The Sleep Number i8 elevates the mattress experience with an air chamber design that delivers unprecedented customization. Its air mattress core integrates memory foam and gel foam comfort layers, totalling a plush 6 inches; a significant step up in softness and cushioning. Available in three firmness levels rated from 5/10 to 9/10, it offers soft, medium, and firm settings that users can adjust through app connectivity and wireless controls. Additionally, dual firmness options and a modular layer design empower sleepers to tailor their side of the bed, especially helpful for couples with differing preferences. The pillow top quilting adds a plush touch to the overall feel.

The i8 excels in durability and health safety with a robust 15-year warranty, bed bug resistance, antimicrobial treatments, and an indentation resistance guarantee. It also boasts chemical-free fire barriers and OEKO-TEX certification, offering enhanced safety assurances along with the CertiPUR-US certification. Temperature regulation is a strong suit here, thanks to a breathable cover integrated with phase change materials, moisture-wicking fabric, and cooling gel infusion, all designed for excellent heat dissipation. The mattress supports heavier individuals with a max weight capacity of 800 pounds and is pet-friendly, broadening its appeal for a wide user base.

What's more, the Sleep Number i8 includes an array of smart tech: app connectivity, sleep tracking integration, smart sensor compatibility, and wireless remote control, framing a highly modern sleep environment. While it cannot be vacuum-sealed, it still arrives unpackaged with a reasonable 24-hour expansion period. A take-back and recycling program underlines its commitment to environmental sustainability. All these premium features come with a steep price tag of approximately $3499 at Amazon, reflecting its sophisticated technology and build.

Quick Take

The Casper stands out for delivering solid medium-firm comfort in a simple foam construction, boasting easy setup and an excellent price. On the other hand, the Sleep Number i8 offers unmatched customization, smart features, advanced temperature management, and superior health protections, appealing to those who want a tech-forward, personalized sleep solution.

Bottom Line

For budget-conscious shoppers who want decent comfort without complexity, Casper remains a reliable choice. However, if you have the budget and crave luxury, personalization, and smart mattress tech that promotes longevity and healthier sleep, the Sleep Number i8 is clearly the superior investment. It's an ideal fit for those wanting versatile firmness settings and advanced features that adapt to evolving sleep needs.

Verdict

  • Winner: Sleep Number i8 - For its broad adjustability, smart technology, advanced health and safety features, and durable luxury design.
  • Runner-up: Casper - Offering dependable quality and comfort in a straightforward foam mattress with a budget-friendly price.

Comparisons 30

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Price comparisons

(✱) Prices may be changed at any time without further notice.

Related comparisons 30

Because one duel is never enough.

Comparisons & Facts 217

Side by side. The numbers. The features. No drama.

Is The Casper better than Sleep Number i8 for your sleep needs? This mattresses guide compares all the right angles so you can rest easy with your choice.

General Information 11

Free Return Policy

Does it come with a free return policy?

Yes 0 Votes The Casper

Yes 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
Free Return Policy

The Free Return Policy is 'Yes' for both The Casper and Sleep Number i8, providing buyers risk-free returns. Both mattresses offer equal convenience for customers considering returns, making either suitable for hassle-free shopping.

Shows whether the product allows hassle-free returns.

Intended Use

What is the intended use?

70 The Casper 0 Votes Home

88 Sleep Number i8 0 Votes Home

The Casper
The Casper

This mattress is perfect for home use—ideal for your bedroom or guest room. Its balanced support works for various sleep preferences, so it’s a great all-around option.

Sleep Number i8
Sleep Number i8

Specifically designed for home use, the i8 brings the comfort of a luxury hotel mattress to your bedroom. Perfect for anyone looking for a sleep upgrade at home.

Defines the usage context.

Mattress Type

What is the mattress type?

20 The Casper 0 Votes Foam

73 Sleep Number i8 0 Votes Air

The Casper
vs
Sleep Number i8
Mattress Type

The Casper mattress type is Foam, versus Air for Sleep Number i8. The Casper suits foam mattress lovers, while Sleep Number i8 appeals to those desiring air chamber adjustability for customized firmness.

Categorizes construction type.

Product Type

What type of mattress is it?

60 The Casper 0 Votes Memory Foam

58 Sleep Number i8 0 Votes Airbed

The Casper
The Casper

Memory foam mattresses are known for their ability to contour to your body, providing targeted relief to pressure points. This can be particularly helpful for side sleepers or anyone with joint pain.

Defines the fundamental mattress category.

Model Name

What is the model name?

57 The Casper 0 Votes The Casper

58 Sleep Number i8 0 Votes i8

The Casper
The Casper

The Casper is one of the most well-known “bed-in-a-box” mattresses. It’s designed to combine comfort with support, making it a popular choice for a wide range of sleep preferences.

Provides the marketing name used by the brand.

Release Year

What is the release year?

35 The Casper 0 Votes 2014

3 Sleep Number i8 0 Votes 2009

The Casper
The Casper

Launched in 2014, The Casper helped define the modern mattress industry, making high-quality foam mattresses accessible with easy home delivery.

Indicates when the product was introduced to the market.

Target Market

What is the target market?

65 The Casper 0 Votes Canada, US

65 Sleep Number i8 0 Votes US, UK, EU, Canada, Australia, Global

The Casper
vs
Sleep Number i8
Target Market

The Target Market for The Casper is Canada and US, while Sleep Number i8 targets a broader market including US, UK, EU, Canada, Australia, and globally. Sleep Number i8 suits international buyers better with wider availability.

Specifies the geographic or demographic market.

Warranty Period

What is the warranty period?

45 The Casper 0 Votes 10 Years

63 Sleep Number i8 1 Votes 15 Years

The Casper
vs
Sleep Number i8
Warranty Period

The Warranty Period for The Casper is 10 years, but Sleep Number i8 offers a longer 15-year warranty. Sleep Number i8 provides enhanced coverage duration, making it the better option for long-term protection.

Duration of warranty coverage.

I really like that the Sleep Number i8 offers a longer warranty period of 15 years compared to 10 years for The Casper it gives me peace of mind for the long haul.

See more

Model Number

What is the model number?

Who knows? 0 Votes The Casper (Help us out by suggesting one!)

Who knows? 0 Votes Sleep Number i8 (Help us out by suggesting one!)

Unique identifier used internally or for warranty claims.

Country of Manufacture

Where is the mattress manufactured?

60 The Casper 0 Votes Canada

88 Sleep Number i8 0 Votes USA

Shows where the mattress is manufactured.

Trial Period Length

What is the trial period length?

100 Nights 0 Votes
The Casper
100 Nights 0 Votes
Sleep Number i8

The Casper
vs
Sleep Number i8
Trial Period Length

Both The Casper and Sleep Number i8 provide a 100-night Trial Period Length, offering customers equal opportunity to test the mattress at home before commitment. This parity makes either mattress ideal for risk-averse shoppers.

Indicates how many nights consumers can try the mattress risk-free.

Dimensions & Weight 110

Mattress Size

What is the mattress size?

93 The Casper 0 Votes Twin, Twin XL, Full, Queen, King, Cal King, Split King

18 Sleep Number i8 0 Votes Twin, Twin XL, Full, Queen, King, Cal King, Split King

Sleep Number i8
Sleep Number i8

The i8 comes in various sizes, ensuring there's a perfect fit for any bedroom, from compact spaces to large master suites. The Split King size is especially great for couples who want independent firmness control on each side.

Identifies the size for the mattress.

Thickness Category

What is the thickness category?

88 The Casper 0 Votes Medium Profile

28 Sleep Number i8 0 Votes Medium Profile

Sleep Number i8
Sleep Number i8

The medium-profile 12-inch design is perfect for sleepers who need support but don’t want a mattress that's too thick or hard to maneuver.

Classifies the mattress thickness category.

Profile Height Option

What is the profile height option?

87 The Casper 0 Votes 10 inches

63 Sleep Number i8 0 Votes 12 inches

Sleep Number i8
Sleep Number i8

The mattress offers a single, consistent 12-inch (30.5 cm) profile, making it easy to pair with most adjustable bases and frames.

Indicates if the mattress is available in multiple profile heights.

Width (Twin)

What is the Twin mattress width?

38 inch 0 Votes
The Casper
38 inch 0 Votes
Sleep Number i8

Standard width for Twin size mattress.

Width (Twin XL)

What is the Twin XL mattress width?

38 inch 0 Votes
The Casper
38 inch 0 Votes
Sleep Number i8

Standard width for Twin XL mattress.

Width (Full)

What is the Full mattress width?

53 inch 0 Votes
The Casper
54 inch 0 Votes
Sleep Number i8

Standard width for Full (Double) mattress.

Width (Queen)

What is the Queen mattress width?

60 inch 0 Votes
The Casper
60 inch 0 Votes
Sleep Number i8

Standard width for Queen size mattress.

Width (King)

What is the King mattress width?

76 inch 0 Votes
The Casper
76 inch 0 Votes
Sleep Number i8

Standard width for King size mattress.

Width (California King)

What is the Cal King mattress width?

72 inch 0 Votes
The Casper
72 inch 0 Votes
Sleep Number i8

Standard width for California King mattress.

Width (Split King)

What is the Split King mattress width?

76 inch 0 Votes
The Casper
76 inch 0 Votes
Sleep Number i8

Combined width of two Twin XL mattresses.

Width (Super King)

What is the width of the Super King mattress?

Who knows? 0 Votes The Casper (Help us out by suggesting one!)

Who knows? 0 Votes Sleep Number i8 (Help us out by suggesting one!)

The width of the mattress. A wider mattress offers more space.

Width (Baby)

What is the width of the baby mattress?

Who knows? 0 Votes The Casper (Help us out by suggesting one!)

Who knows? 0 Votes Sleep Number i8 (Help us out by suggesting one!)

The width of the mattress, important for fitting in a crib or smaller space.

Comfort & Firmness 13

Firmness Level

What is the firmness level?

50 The Casper 1 Votes Medium

41 Sleep Number i8 0 Votes Soft, Medium, Firm

The Casper
vs
Sleep Number i8
Firmness Level

Firmness Level for The Casper is Medium only, but Sleep Number i8 provides Soft, Medium, and Firm options, allowing more personalized comfort choices. Sleep Number i8 is more adaptable to firmness preferences.

Describes the general firmness category.

The Casper's firmness level at medium suits me better than Sleep Number i8's option of soft medium and firm I prefer a consistent feel.

See more

Comfort Layer Thickness

What is the comfort layer thickness?

1 inch 0 Votes
The Casper
6 inch 0 Votes
Sleep Number i8

The Casper
vs
Sleep Number i8
Comfort Layer Thickness

Comfort Layer Thickness is 1 inch for The Casper versus 6 inches for Sleep Number i8. The significantly thicker comfort layer on Sleep Number i8 delivers enhanced cushioning and contouring benefits.

Thickness of the comfort layer on top.

Comfort Technology

What comfort technology is included?

59 The Casper 0 Votes Memory Foam

52 Sleep Number i8 0 Votes Gel-Infused Foam

The Casper
vs
Sleep Number i8
Comfort Technology

The Comfort Technology differs: The Casper uses Memory Foam, while Sleep Number i8 includes Gel-Infused Foam, enhancing cooling. Sleep Number i8 offers a more temperature-regulating comfort layer, making it preferable for warmer sleepers.

Special comfort features used in the top layers.

Firmness Scale Rating

What is the firmness rating?

40 The Casper 0 Votes 6/10

64 Sleep Number i8 0 Votes 5/10, 7/10, 9/10

The Casper
vs
Sleep Number i8
Firmness Scale Rating

Firmness Scale Rating of The Casper is 6/10, a moderate medium feel. Sleep Number i8 offers 5/10, 7/10, and 9/10 ratings, covering soft to firm levels, enabling enhanced user customization over The Casper.

Numeric scale where 1 is softest and 10 is firmest.

Zoned Support

Does the mattress include zoned support?

Yes 0 Votes The Casper

Yes 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
Zoned Support

Both The Casper and Sleep Number i8 offer Zoned Support, providing targeted pressure relief and spinal alignment. This shared feature makes both mattresses valuable for ergonomic comfort.

Indicates if the mattress offers different support zones.

Cooling Technology

What cooling technology is included?

60 The Casper 0 Votes Air Scape

68 Sleep Number i8 0 Votes Gel Infusion, Airflow Channels

The Casper
The Casper

Air Scape technology incorporates perforated foam to allow for better airflow, helping to regulate body temperature. This is perfect for hot sleepers or anyone who wakes up overheated.

Sleep Number i8
Sleep Number i8

The mattress incorporates advanced cooling technologies, like Gel Infusion and airflow channels, to help wick away heat and moisture, keeping you cool and dry as you sleep.

GDescribes specific cooling methods used.

Motion Isolation Rating

What is the motion isolation rating?

64 The Casper 0 Votes 7.9/10

58 Sleep Number i8 0 Votes 7/10

The Casper
The Casper

If you sleep with a partner, motion isolation is important. With a 7.9/10 score, The Casper limits the motion transfer when someone shifts or gets up, making it a great choice for light sleepers or couples.

Sleep Number i8
Sleep Number i8

The i8 provides a solid motion isolation rating, which is great for couples who need undisturbed sleep despite the movements of their partner.

Measures how well the mattress prevents motion transfer.

Edge Support Rating

What is the edge support rating?

64 The Casper 0 Votes 8.5/10

53 Sleep Number i8 0 Votes 7/10

The Casper
The Casper

The Casper has strong edge support, meaning you won’t feel like you’re rolling off the bed when sleeping near the edges. Great for couples who need to use the full surface area of the mattress.

Sleep Number i8
Sleep Number i8

The i8 features decent edge support, preventing you from feeling like you’re “falling off” the bed when sitting near the edges.

Indicates stability around the mattress edges.

Pressure Relief Rating

What is the pressure relief rating?

60 The Casper 0 Votes Good

88 Sleep Number i8 0 Votes Excellent

Sleep Number i8
Sleep Number i8

With excellent pressure relief, the i8 helps reduce aches and pains by supporting your body’s natural curves and pressure points. Ideal for those with sensitive joints or back issues.

Rates how well the mattress relieves pressure points.

Sleep Position Suitability

What sleep positions is it suitable for?

34 The Casper 0 Votes Back, Side, Stomach, Combo

38 Sleep Number i8 0 Votes Side, Back, Combo

Sleep Number i8
Sleep Number i8

Whether you sleep on your side, back, or a combination of both, the i8’s adjustable firmness ensures the right support for every position.

Shows which sleeping positions are best supported.

Temperature Regulation Feature

Does it have temperature regulation features?

Yes 0 Votes The Casper

Yes 0 Votes Sleep Number i8

Indicates if mattress is designed to maintain neutral sleep temperature.

Adjustable Firmness Range

Does it have an adjustable firmness range?

No 0 Votes The Casper

Yes 0 Votes Sleep Number i8

Shows if firmness can be adjusted or customized.

Construction & Materials 16

Mattress Core Material

What is the core material?

25 The Casper 0 Votes Polyurethane Foam

48 Sleep Number i8 0 Votes Air Chambers

The Casper
vs
Sleep Number i8
Mattress Core Material

Mattress Core Material for The Casper is Polyurethane Foam, while Sleep Number i8 uses Air Chambers, supporting adjustability. Sleep Number i8 is suited for those seeking an air-adjustable core versus traditional foam.

Defines the main support structure.

Comfort Layer Material

What is the comfort layer material?

90 The Casper 0 Votes Memory Foam, Polyurethane Foam

61 Sleep Number i8 0 Votes Memory Foam, Gel Foam

The Casper
vs
Sleep Number i8
Comfort Layer Material

Comfort Layer Material comprises Memory Foam and Polyurethane Foam for The Casper, whereas Sleep Number i8 adds Gel Foam to Memory Foam, enhancing cooling. Sleep Number i8 offers a more advanced comfort material combination.

Materials used in the comfort layers.

Cover Material

What is the cover material?

88 The Casper 0 Votes Cotton, Polyester, Viscose, Spandex

58 Sleep Number i8 0 Votes Polyester

The Casper
vs
Sleep Number i8
Cover Material

Cover Material includes Cotton, Polyester, Viscose, and Spandex in The Casper, compared to only Polyester in Sleep Number i8. The Casper's varied fabric blend may enhance breathability and softness.

Materials used for the outer cover.

Quilting Type

What quilting type is used?

85 The Casper 0 Votes Tight Top

68 Sleep Number i8 0 Votes Pillow Top

The Casper
vs
Sleep Number i8
Quilting Type

Quilting Type is Tight Top for The Casper and Pillow Top for Sleep Number i8. The Pillow Top on Sleep Number i8 adds plush softness, making it more luxurious in feel compared to The Casper's firmer finish.

Describes the quilting style on the mattress surface.

Coil Type

What type of coil is used?

Who knows? 0 Votes The Casper (Help us out by suggesting one!)

Who knows? 0 Votes Sleep Number i8 (Help us out by suggesting one!)

Identifies the coil construction used.

Flame Retardant Material

What flame retardant is used?

85 The Casper 0 Votes Rayon

3 Sleep Number i8 0 Votes Rayon

The Casper
The Casper

Casper uses rayon as a natural flame retardant instead of fiberglass, making the mattress safe without using harmful chemicals. Rayon also contributes to the mattress’s softness.

Sleep Number i8
Sleep Number i8

Rayon is used as a safe, flame-retardant material in the mattress, meeting safety standards while still maintaining comfort and breathability.

Material used to meet fire safety standards.

Foam Type

What foam type is included?

90 The Casper 0 Votes Memory Foam, Polyurethane Foam

73 Sleep Number i8 0 Votes Memory Foam, Gel-Infused

Sleep Number i8
Sleep Number i8

The combination of memory foam and gel-infused foam ensures you get the benefits of pressure relief while staying cool throughout the night.

Specifies the type of foam used.

Reinforced Edge Material

What is the reinforced edge material?

Who knows? 0 Votes The Casper (Help us out by suggesting one!)

58 Sleep Number i8 0 Votes High-Density Foam

Sleep Number i8
Sleep Number i8

High-density foam is used around the edges for durability and extra support, helping maintain the mattress’s shape over time.

Material reinforcement along the edges.

Coil Count

What is the coil count?

Who knows? 0 Votes The Casper (Help us out by suggesting one!)

Who knows? 0 Votes Sleep Number i8 (Help us out by suggesting one!)

Number of coils in the mattress.

Coil Gauge

What is the coil gauge?

Who knows? 0 Votes The Casper (Help us out by suggesting one!)

Who knows? 0 Votes Sleep Number i8 (Help us out by suggesting one!)

Thickness of the coils measured in gauge.

Layer Count

What is the layer count?

87 The Casper 0 Votes 3

0 Sleep Number i8 0 Votes 2

Total number of layers in mattress construction.

Natural / Organic Material

Does it use natural or organic materials?

No 0 Votes The Casper

No 0 Votes Sleep Number i8

Indicates whether natural or organic materials are included.

Performance & Durability 11

Warranty Coverage Type

What type of warranty coverage is provided?

85 The Casper 0 Votes Limited

28 Sleep Number i8 0 Votes Limited

The Casper
vs
Sleep Number i8
Warranty Coverage Type

Warranty Coverage Type is Limited for both The Casper and Sleep Number i8, offering similar warranty scope. This parity means customers can expect comparable protection terms.

Describes the type of warranty coverage.

Flippable Design

Can the mattress be flipped?

No 1 Votes The Casper

No 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
Flippable Design

Neither The Casper nor Sleep Number i8 offer a Flippable Design, limiting mattress rotation options. Customers should consider maintenance plans accordingly for both.

Shows whether the mattress can be flipped.

Neither mattress is flippable which is a bit disappointing but not a dealbreaker for me it's pretty standard these days.

See more

Bed Bug Resistant

Is the mattress bed bug resistant?

No 0 Votes The Casper

Yes 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
Bed Bug Resistant

The Casper is not Bed Bug Resistant, whereas Sleep Number i8 provides Bed Bug Resistance. This feature makes Sleep Number i8 more suitable for allergic or hygiene-conscious buyers.

Shows if the mattress has protection against bed bugs.

Indentation Resistance Guarantee

Is there an indentation resistance guarantee?

No 0 Votes The Casper

Yes 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
Indentation Resistance Guarantee

Indentation Resistance Guarantee is not offered by The Casper but is available with Sleep Number i8, ensuring better shape retention over time for Sleep Number users.

Assurance that mattress won’t indent prematurely.

Sag Resistance Rating

What is the sag resistance rating?

87 The Casper 0 Votes Medium

38 Sleep Number i8 0 Votes Medium

The Casper
The Casper

While The Casper provides medium resistance to sagging, it’s important to rotate your mattress every few months to maintain its structure and prevent body impressions.

Sleep Number i8
Sleep Number i8

With a medium sag resistance, the mattress is built to provide consistent support while maintaining its shape over time.

Rates the mattress resistance to sagging.

Density Rating

What is the density rating?

88 The Casper 0 Votes Medium

38 Sleep Number i8 0 Votes Medium

The Casper
The Casper

With a medium density, The Casper strikes the ideal balance between softness and support, making it versatile for a variety of sleep styles.

Sleep Number i8
Sleep Number i8

The medium-density foam offers a comfortable, supportive sleep surface that doesn’t feel too soft or too firm.

Foam density that indicates durability and support.

Indentation Load Deflection (ILD)

What is the ILD value?

87 The Casper 0 Votes Medium (20–30 lbs)

38 Sleep Number i8 0 Votes Medium (20–30 lbs)

The Casper
The Casper

The ILD rating indicates how firm the mattress feels. At a medium rating of 20–30 lbs, it provides enough support for back and side sleepers while still being soft enough for comfort.

Measures foam firmness by required load to indent.

Expected Lifespan

What is the expected lifespan?

12 Years 0 Votes
The Casper
15 Years 0 Votes
Sleep Number i8

Average years the mattress is designed to last.

Memory Foam Recovery Time

What is the recovery time of the foam?

2 sec 0 Votes
The Casper
60 sec 0 Votes
Sleep Number i8

Time it takes memory foam to return to shape.

Rotatable Design

Can the mattress be rotated?

No 0 Votes The Casper

No 0 Votes Sleep Number i8

Indicates if mattress can be rotated to extend life.

Anti-Microbial Treatment

Does it have antimicrobial treatment?

No 0 Votes The Casper

Yes 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
Anti-Microbial Treatment

Anti-Microbial Treatment is absent in The Casper but present in Sleep Number i8, benefiting users seeking mattresses with enhanced microbial protection.

Indicates if materials are treated to resist microbes.

Comfort Adjustability 9

Adjustable Base Compatibility

Is it compatible with adjustable bases?

Yes 1 Votes The Casper

Yes 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
Adjustable Base Compatibility

Adjustable Base Compatibility is available on both The Casper and Sleep Number i8, providing flexibility for adjustable bed frames and enhanced comfort positioning.

Indicates if mattress can be used with an adjustable bed base.

Both mattresses are compatible with adjustable bases which is cool but I appreciate the Casper's foam feel even with that compatibility.

See more

Dual Firmness Option

Does it offer dual firmness?

No 0 Votes The Casper

Yes 1 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
Dual Firmness Option

Dual Firmness Option is not available with The Casper, whereas Sleep Number i8 offers it, supporting different firmness settings on each mattress side for couples.

Indicates if mattress offers two firmness levels in one design.

I like that the Sleep Number has the dual firmness option it's super handy if you want different comfort levels on each side unlike The Casper.

See more

Split Mattress Option

Is it available in split design?

Yes 0 Votes The Casper

Yes 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
Split Mattress Option

Split Mattress Option is supported by both The Casper and Sleep Number i8, accommodating customizable zones for partner comfort and ease of movement.

Shows if mattress can be split into two sides.

Removable Top Layer

Does it have a removable top layer?

No 0 Votes The Casper

Yes 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
Removable Top Layer

Removable Top Layer is unavailable on The Casper but is featured on Sleep Number i8, allowing for easier cleaning and maintenance on Sleep Number i8.

Indicates if the top comfort layer can be removed or swapped.

Modular Layer Design

Does it have modular layers?

No 0 Votes The Casper

Yes 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
Modular Layer Design

Modular Layer Design is not present on The Casper, while Sleep Number i8 offers it, enabling layer configuration changes to adjust mattress feel over time.

Allows layers to be rearranged for customized comfort.

Customizable Firmness Inserts

Does it support firmness inserts?

No 0 Votes The Casper

Yes 0 Votes Sleep Number i8

Supports inserts or pads to adjust firmness.

Smart Adjustable Firmness

Does it offer smart firmness adjustment?

No 0 Votes The Casper

Yes 0 Votes Sleep Number i8

Indicates if firmness can be changed via smart tech.

Head & Foot Elevation Support

Does it support head & foot elevation?

No 0 Votes The Casper

Yes 0 Votes Sleep Number i8

Shows if mattress supports head and foot elevation.

Replaceable Comfort Layer Program

Does it offer a replaceable comfort layer program?

No 0 Votes The Casper

No 0 Votes Sleep Number i8

Indicates if brand allows swapping comfort layers through a program.

Health & Safety 9

Low VOC Emission

Does it have low VOC emission?

Yes 1 Votes The Casper

Yes 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
Low VOC Emission

Low VOC Emission is confirmed Yes for both The Casper and Sleep Number i8, ensuring healthier indoor air quality and safety for sensitive users.

Ensures mattress has low volatile organic compound emissions.

Good to see that both mattresses have low VOC emissions which is important for indoor air quality and safety in my home.

See more

CertiPUR-US Certified

Is it CertiPUR-US certified?

Yes 0 Votes The Casper

Yes 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
CertiPUR-US Certified

CertiPUR-US Certification is present on both The Casper and Sleep Number i8, verifying safe foam content free of harmful substances for consumer peace of mind.

Shows if foams meet CertiPUR-US safety standards.

OEKO-TEX Certified

Is it OEKO-TEX certified?

No 0 Votes The Casper

Yes 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
OEKO-TEX Certified

OEKO-TEX Certification is not held by The Casper but is certified in Sleep Number i8, guaranteeing stricter textile safety standards for the latter.

Ensures textiles are free from harmful substances.

Formaldehyde Free

Is the mattress formaldehyde free?

Yes 0 Votes The Casper

Yes 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
Formaldehyde Free

Both The Casper and Sleep Number i8 are Formaldehyde Free, supporting safer sleep environments without harmful chemical exposure.

Indicates if product is free from formaldehyde chemicals.

Chemical-Free Fire Barrier

Does it use a chemical-free fire barrier?

No 0 Votes The Casper

Yes 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
Chemical-Free Fire Barrier

Chemical-Free Fire Barrier is not present in The Casper but included in Sleep Number i8, appealing for consumers focused on chemical-free product composition.

Fire safety protection without chemical sprays.

GREENGUARD Gold Certified

Is it GREENGUARD Gold certified?

No 0 Votes The Casper

Yes 0 Votes Sleep Number i8

Indicates compliance with low chemical emissions.

Allergy-Friendly

Is it allergy-friendly?

No 0 Votes The Casper

Yes 0 Votes Sleep Number i8

Mattress is suitable for people with allergies.

Anti-Dust Mite Treatment

Does it have anti-dust mite treatment?

No 0 Votes The Casper

Yes 0 Votes Sleep Number i8

Treated to resist dust mites.

Asthma & Allergy Foundation Certification (AAFA)

Is it AAFA certified?

No 0 Votes The Casper

Yes 0 Votes Sleep Number i8

Confirms endorsement by AAFA for allergy safety.

Temperature & Climate 8

Heat Dissipation Rating

What is the heat dissipation rating?

87 The Casper 0 Votes Good

58 Sleep Number i8 0 Votes Good

The Casper
vs
Sleep Number i8
Heat Dissipation Rating

Heat Dissipation Rating is 'Good' for both The Casper and Sleep Number i8, indicating effective heat management in either mattress.

Rates how well mattress disperses heat.

Cooling Gel Infusion

Does it have cooling gel infusion?

No 0 Votes The Casper

Yes 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
Cooling Gel Infusion

Cooling Gel Infusion is not included in The Casper but is part of Sleep Number i8, providing enhanced cooling benefits and temperature control.

Indicates if cooling gel is infused in foam layers.

Phase Change Material

Does it use phase change materials?

No 0 Votes The Casper

Yes 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
Phase Change Material

Phase Change Material is not found in The Casper but is incorporated in Sleep Number i8, enhancing temperature regulation and responsive cooling for Sleep Number users.

Shows if mattress uses phase-change materials for temperature control.

Breathable Cover

Does it have a breathable cover?

Yes 0 Votes The Casper

Yes 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
Breathable Cover

Both mattresses have a Breathable Cover, promoting airflow and comfort during sleep for The Casper and Sleep Number i8 equally.

Indicates if the outer cover allows airflow.

Moisture-Wicking Fabric

Does it use moisture-wicking fabric?

No 0 Votes The Casper

Yes 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
Moisture-Wicking Fabric

Moisture-Wicking Fabric is absent in The Casper; present in Sleep Number i8, making the latter better for sleepers prone to night sweating or humidity discomfort.

Ensures cover or material draws away sweat and moisture.

Climate Adaptability

Is it climate adaptable?

No 0 Votes The Casper

Yes 0 Votes Sleep Number i8

Indicates if mattress adapts to various climates.

Seasonal Use Design

Does it have a seasonal use design?

No 0 Votes The Casper

Yes 0 Votes Sleep Number i8

Mattress is designed with seasonal dual sides for hot and cold weather.

Airflow Channel Design

Does it feature airflow channels?

Yes 0 Votes The Casper

Yes 0 Votes Sleep Number i8

Includes built-in airflow channels for ventilation.

Seating & Capacity 8

Pet Friendly Design

Is it pet friendly?

No 0 Votes The Casper

Yes 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
Pet Friendly Design

Pet Friendly Design is not available with The Casper but is a feature of Sleep Number i8, useful for pet owners concerned with mattress durability and cleanliness.

Indicates if mattress surface resists pet scratches and fur.

Heavy Sleeper Support

Does it support heavy sleepers?

Yes 0 Votes The Casper

Yes 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
Heavy Sleeper Support

Heavy Sleeper Support is available in both The Casper and Sleep Number i8, catering well to sleepers requiring durable pressure relief for higher body weights.

Indicates if the mattress provides extra support for heavier individuals.

Seating Capacity

What is the seating capacity?

88 The Casper 0 Votes 2 adults

64 Sleep Number i8 0 Votes 2 adults

The Casper
vs
Sleep Number i8
Seating Capacity

Seating Capacity is 2 adults for both The Casper and Sleep Number i8, making them equally suitable for couples.

Maximum number of people the mattress is designed to seat or sleep.

Edge Sitting Comfort Rating

What is the edge sitting comfort rating?

87 The Casper 0 Votes Good

18 Sleep Number i8 0 Votes Fair

The Casper
The Casper

With its high edge support score, you can sit comfortably near the edge of the bed without feeling like you’re going to roll off. Ideal for those who like to sit or get in and out of bed easily.

Sleep Number i8
Sleep Number i8

Edge support is decent, but may not be as firm as the center. This is normal for airbeds, but still offers reasonable comfort.

Rates how comfortable and stable the edge feels when sitting.

Maximum Weight Capacity

What is the maximum weight capacity?

300 lbs 0 Votes
The Casper
800 lbs 0 Votes
Sleep Number i8

The Casper
vs
Sleep Number i8
Maximum Weight Capacity

Maximum Weight Capacity is 300 lbs for The Casper versus 800 lbs for Sleep Number i8, allowing Sleep Number i8 to support more than double the weight, ideal for heavier users or couples.

Maximum supported body weight.

Couple Friendly Design

Is it couple friendly?

Yes 0 Votes The Casper

Yes 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
Couple Friendly Design

Couple Friendly Design is 'Yes' for both The Casper and Sleep Number i8, supporting shared sleep features like split firmness and motion isolation.

Indicates if mattress minimizes motion transfer and supports two sleepers.

Bunk Bed Compatibility

Is it compatible with bunk beds?

No 0 Votes The Casper

No 0 Votes Sleep Number i8

Indicates if mattress is safe to use on bunk beds.

Child / Toddler Suitability

Is it suitable for children or toddlers?

No 0 Votes The Casper

No 0 Votes Sleep Number i8

Shows if the mattress is safe for children or toddlers.

Travel & Portability 7

Foldable Design

Is it foldable?

No 0 Votes The Casper

No 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
Foldable Design

Foldable Design is unavailable in both The Casper and Sleep Number i8, limiting options for compact storage or transport.

Indicates if mattress can be folded for storage or portability.

Vacuum-Sealed Packaging

Does it use vacuum-sealed packaging?

Yes 0 Votes The Casper

No 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
Vacuum-Sealed Packaging

Vacuum-Sealed Packaging is a feature of The Casper but not available for Sleep Number i8, making The Casper easier to handle and ship initially.

Describes whether mattress is vacuum sealed for delivery.

Storage Bag

Is a storage bag included?

No 0 Votes The Casper

No 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
Storage Bag

Storage Bag is not included with either mattress, so buyers will need to source external storage solutions if needed.

Shows if mattress comes with a bag for storage or moving.

Quick Expansion Time After Unboxing

What is the quick expansion time?

24 hrs 0 Votes
The Casper
24 hrs 0 Votes
Sleep Number i8

The Casper
vs
Sleep Number i8
Quick Expansion Time After Unboxing

Quick Expansion Time After Unboxing is 24 hours for both The Casper and Sleep Number i8, meaning both mattresses require the same wait time before optimal use after unpacking.

Time needed for mattress to reach full shape after opening.

Re-Rollable for Storage/Move

Can it be re-rolled for storage or moving?

No 0 Votes The Casper

No 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
Re-Rollable for Storage/Move

Neither The Casper nor Sleep Number i8 support Re-Rollable design for Storage/Move, which might affect portability convenience for frequent movers.

Indicates if mattress can be re-rolled for easier moving or storage.

Roll Pack / Bed-in-Box Design

Is it a roll pack or bed-in-box design?

Yes 0 Votes The Casper

No 0 Votes Sleep Number i8

Indicates if the mattress is compressed and rolled into a box for shipping.

Easy Transport Handles

Does it have transport handles?

Yes 0 Votes The Casper

Yes 0 Votes Sleep Number i8

Shows if mattress includes sewn-in handles for moving.

Technology & Smart Features 8

Sleep Tracking Integration

Does it integrate with sleep tracking?

No 0 Votes The Casper

Yes 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
Sleep Tracking Integration

Sleep Tracking Integration is not present on The Casper but included with Sleep Number i8, offering advanced sleep analytics and health monitoring for users.

Indicates if mattress integrates with sleep tracking systems.

Smart Sensor Connectivity

Does it connect with smart sensors?

No 0 Votes The Casper

Yes 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
Smart Sensor Connectivity

Smart Sensor Connectivity is absent in The Casper and available in Sleep Number i8, enabling enhanced mattress responsiveness and data gathering for Sleep Number owners.

Shows if mattress can connect with external smart sensors.

App Connectivity

Does it have app connectivity?

No 0 Votes The Casper

Yes 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
App Connectivity

App Connectivity is unavailable on The Casper but available on Sleep Number i8, providing smart control and customization for tech-savvy users on Sleep Number.

Indicates if mattress has an app for customization or tracking.

USB Charging Port

Does it have USB charging ports?

No 0 Votes The Casper

No 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
USB Charging Port

Neither The Casper nor Sleep Number i8 have USB Charging Ports integrated, so external chargers are required for devices.

Shows if mattress includes built-in USB charging ports.

Wireless Control

Does it have wireless control?

No 0 Votes The Casper

Yes 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
Wireless Control

Wireless Control is not an option with The Casper but is featured on Sleep Number i8, allowing convenient remote adjustments for firmness and settings.

Indicates if features can be controlled wirelessly.

Smart Home Compatibility

Is it smart home compatible?

No 0 Votes The Casper

Yes 0 Votes Sleep Number i8

Shows if mattress works with Alexa, Google Home, etc.

Integrated Heating or Cooling Control

Does it have integrated heating or cooling?

No 0 Votes The Casper

No 0 Votes Sleep Number i8

Indicates built-in heating or cooling control.

Anti-Snore Position Integration

Does it have anti-snore position integration?

No 0 Votes The Casper

Yes 0 Votes Sleep Number i8

Works with adjustable bases or sensors to reduce snoring.

Environmental & Sustainability 7

Recyclable Materials

Does it use recyclable materials?

Yes 0 Votes The Casper

Yes 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
Recyclable Materials

Recyclable Materials are used in both The Casper and Sleep Number i8, aiding in environmental management and resource recovery for eco-conscious consumers.

Indicates if mattress materials can be recycled.

Carbon Neutral Production

Is it carbon neutral in production?

No 0 Votes The Casper

No 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
Carbon Neutral Production

Carbon Neutral Production is not achieved by The Casper nor Sleep Number i8, meaning both have carbon footprints to consider in sustainability choices.

Indicates if manufacturer offsets or eliminates carbon emissions.

Biodegradable Components

Does it include biodegradable components?

No 0 Votes The Casper

No 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
Biodegradable Components

Biodegradable Components are not included in either The Casper or Sleep Number i8, limiting eco-friendly decomposition options post-use.

Shows if components naturally break down after disposal.

Renewable Energy Manufacturing

Is it manufactured with renewable energy?

No 0 Votes The Casper

No 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
Renewable Energy Manufacturing

Renewable Energy Manufacturing is not a practice for either mattress, indicating both do not currently focus on renewable energy in production.

Indicates if renewable energy is used in production.

Take-Back / Recycling Program

Does it have a take-back program?

No 0 Votes The Casper

Yes 0 Votes Sleep Number i8

The Casper
vs
Sleep Number i8
Take-Back / Recycling Program

Take-Back / Recycling Program is not offered by The Casper but is available with Sleep Number i8, supporting environmental sustainability and easier mattress disposal.

Shows if brand offers a recycling or buy-back program.

Sustainable Sourcing

Is it sustainably sourced?

No 0 Votes The Casper

Yes 0 Votes Sleep Number i8

Shows if materials come from responsibly managed sources.

Plastic-Free Packaging

Does it use plastic-free packaging?

No 0 Votes The Casper

No 0 Votes Sleep Number i8

Confirms if packaging avoids single-use plastics.

Surveys

Because hot takes deserve votes.

Comfort Level

How comfortable is this mattress for everyday use?

Super comfy — Feels like sleeping on a cloud
0 Votes
The Casper
0 Votes
Sleep Number i8
Pretty comfortable — Good for most sleep positions
0 Votes
The Casper
0 Votes
Sleep Number i8
Decent comfort — Works for short naps
0 Votes
The Casper
0 Votes
Sleep Number i8
A bit too firm — Not very cozy
0 Votes
The Casper
0 Votes
Sleep Number i8
Hard and uncomfortable — Feels stiff all night
0 Votes
The Casper
0 Votes
Sleep Number i8

Durability

How long does this mattress last before showing wear and tear?

Extremely durable — Over 12 years
0 Votes
The Casper
0 Votes
Sleep Number i8
Long lasting — 9 to 12 years
0 Votes
The Casper
0 Votes
Sleep Number i8
Good durability — 6 to 8 years
0 Votes
The Casper
0 Votes
Sleep Number i8
Moderate lifespan — 3 to 5 years
0 Votes
The Casper
0 Votes
Sleep Number i8
Very short lifespan — Less than 3 years
0 Votes
The Casper
0 Votes
Sleep Number i8

Firmness

How firm does this mattress feel when lying down?

Extra firm — Very rigid and supportive
0 Votes
The Casper
0 Votes
Sleep Number i8
Firm — Strong support with little sink
0 Votes
The Casper
0 Votes
Sleep Number i8
Medium — Balanced support and softness
0 Votes
The Casper
0 Votes
Sleep Number i8
Soft — Gently cushioned
0 Votes
The Casper
0 Votes
Sleep Number i8
Ultra soft — Sinks in deeply
0 Votes
The Casper
0 Votes
Sleep Number i8

Motion Isolation

How well does this mattress reduce movement transfer at night?

Excellent — Barely feel any motion
0 Votes
The Casper
0 Votes
Sleep Number i8
Good — Only strong shifts are felt
0 Votes
The Casper
0 Votes
Sleep Number i8
Decent — Minor movements are felt
0 Votes
The Casper
0 Votes
Sleep Number i8
Somewhat poor — Frequent disturbance
0 Votes
The Casper
0 Votes
Sleep Number i8
Very poor — Every movement is noticeable
0 Votes
The Casper
0 Votes
Sleep Number i8

Thickness

How thick is this mattress in height?

Extra thick — Over 15 inches
0 Votes
The Casper
0 Votes
Sleep Number i8
Thick — 13 to 15 inches
0 Votes
The Casper
0 Votes
Sleep Number i8
Medium — 10 to 12 inches
0 Votes
The Casper
0 Votes
Sleep Number i8
Thin — 6 to 9 inches
0 Votes
The Casper
0 Votes
Sleep Number i8
Very thin — Less than 6 inches
0 Votes
The Casper
0 Votes
Sleep Number i8

Temperature Regulation

How well does this mattress stay cool at night?

Very cool — Always stays fresh
0 Votes
The Casper
0 Votes
Sleep Number i8
Cool — Feels comfortable most nights
0 Votes
The Casper
0 Votes
Sleep Number i8
Average — Neutral temperature
0 Votes
The Casper
0 Votes
Sleep Number i8
Somewhat warm — Gets a little stuffy
0 Votes
The Casper
0 Votes
Sleep Number i8
Very hot — Traps a lot of heat
0 Votes
The Casper
0 Votes
Sleep Number i8

Ease of Setup

How easy was it to set up this mattress at home?

Super simple — Done in no time
0 Votes
The Casper
0 Votes
Sleep Number i8
Pretty easy — Quick setup without stress
0 Votes
The Casper
0 Votes
Sleep Number i8
Manageable — Took some effort but fine
0 Votes
The Casper
0 Votes
Sleep Number i8
A bit difficult — Needed extra help
0 Votes
The Casper
0 Votes
Sleep Number i8
A total hassle — Took forever to set up
0 Votes
The Casper
0 Votes
Sleep Number i8

Design Appeal

How attractive does this mattress look in a bedroom?

Beautiful design — Looks high-end
0 Votes
The Casper
0 Votes
Sleep Number i8
Stylish — Adds to the room look
0 Votes
The Casper
0 Votes
Sleep Number i8
Decent — Matches most rooms
0 Votes
The Casper
0 Votes
Sleep Number i8
Okay — Nothing special
0 Votes
The Casper
0 Votes
Sleep Number i8
Plain and boring — Looks cheap
0 Votes
The Casper
0 Votes
Sleep Number i8

Pricing

How would you rate the price of this mattress?

Great value for money
0 Votes
The Casper
0 Votes
Sleep Number i8
Pretty good price
0 Votes
The Casper
0 Votes
Sleep Number i8
Fair deal
0 Votes
The Casper
0 Votes
Sleep Number i8
Kinda pricey
0 Votes
The Casper
0 Votes
Sleep Number i8
Crazy expensive
0 Votes
The Casper
0 Votes
Sleep Number i8

Edge Support Strength

How sturdy are the edges of this mattress when sitting or lying near the side?

Excellent edge strength — No sinking at all
0 Votes
The Casper
0 Votes
Sleep Number i8
Strong edge support — Slight compression only
0 Votes
The Casper
0 Votes
Sleep Number i8
Moderate edge support — Noticeable sinking
0 Votes
The Casper
0 Votes
Sleep Number i8
Weak edge support — Feels unstable at sides
0 Votes
The Casper
0 Votes
Sleep Number i8
Very weak — Collapses when sitting on edge
0 Votes
The Casper
0 Votes
Sleep Number i8

Guides 1

Articles 1

Everything You Need to Know About The Casper

Everything You Need to Know About The Casper

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Casper
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