updated July 2023
Casper vs Polysleep Mattress Comparison
Joins us as we take a deep dive into the differences and similarities of Casper and Polysleep in this mattress comparison.
All-foam mattresses typically sleep hot, sacrificing a cool sleep environment for the comfort of memory foam. The Casper Original and Polysleep are two exceptions. They’re foam mattresses that are built to sleep cooler while still providing the comfort and support of a foam mattress.
The Polysleep features more layers and costs less than the Casper, while the Casper wins in categories like responsiveness and pressure relief. Learn more about how they compare in many more categories so you can make a more informed decision on which one is best for you.
Casper vs Polysleep at a Glance
Customer Rating
MA Score
Summary
Firmness
Type
Trial Period
Warranty
Customer Rating
MA Score
8.7/10
Summary
Universal firmness mattress for the average sleeper
Firmness
Medium-firm: 6/10
Type
Memory foam
Trial Period
100 days
Warranty
10-year limited warranty
Customer Rating
MA Score
8.5/10
Summary
Budget friendly foam mattress that sleeps cool and dry
Firmness
Medium firm: 6/10
Type
Memory foam
Trial Period
100 days
Warranty
10-year limited warranty
Casper
Polysleep
Customer Rating
MA Score
8.7/10
8.5/10
Summary
Universal firmness mattress for the average sleeper
Budget friendly foam mattress that sleeps cool and dry
Firmness
Medium-firm: 6/10
Medium firm: 6/10
Type
Memory foam
Memory foam
Trial Period
100 days
100 days
Warranty
10-year limited warranty
10-year limited warranty
Key Similarities
- Foundation: Both are compatible with any bed frame or foundation.
- Construction: The Polysleep and Casper Original are both all-foam mattresses.
- Firmness: Each mattress features a 6/10 firmness, which allows you to sleep comfortably while still providing support.
- Cost: Polysleep and Casper are both priced affordably, making them a great option for budget shoppers.
Key Differences
- Pressure Relief: During pressure relief tests, the Polysleep scored a 6.75/10, while the Casper scored a more impressive 8.5/10, meaning it will do a better job at alleviating high-pressure areas during sleep, like the hips and shoulders.
- Responsiveness: In responsiveness tests, the Casper once again bested the Polysleep, scoring a perfect 10/10, while the former scored a 7.25/10, making the Casper a better choice for combination sleepers who toss and turn.
- Motion Transfer: The Polysleep offers better motion isolation, scoring a 9.25/10, while the Casper scored an 8/10, making the Polysleep a slightly better option for couples.
Casper Mattress Review Highlights
- The Casper Original mattress excelled in edge support tests, scoring 9.5/10, making it a great choice for anyone who sleeps towards the edge of the bed or uses it to get ready in the morning.
- Casper mattresses ship from their warehouse quickly, within 1-2 days of ordering. This means you don’t have to wait too long to try out your new mattress!
- Casper offers free returns during their trial period.
- Provides almost perfect spine alignment (9.5/10), allowing your spine to be properly supported and comforted throughout the night.
Polysleep Mattress Review Highlights
- It features a waterproof mattress cover that protects it from spills and other accidents.
- Polysleep offers free shipping to Canada and the continental U.S. Orders are typically delivered within 4-9 business days of ordering.
- The Polysleep scored an almost perfect 9.25/10 on motion transfer tests, meaning if you sleep with a partner or pet, then you won’t be disturbed by their movement during the night.
- All four of Polysleep’s layers are made of comfortable foam, making it a great choice for foam mattress lovers who also want the responsiveness and support of a hybrid or traditional innerspring mattress.
Compare Sizes and Dimensions
Here’s how the Polysleep and Casper mattresses differ in size:
| Casper | Polysleep | |
| Thickness | 11″ | 10″ |
| Twin | 38″ x 75″ | 39″ x 75″ |
| Twin XL | 38″ x 80″ | 39″ x 80″ |
| Full | 53″ x 75″ | 54″ x 75″ |
| Queen | 60″ x 80″ | 60″ x 80″ |
| King | 76″ x 80″ | 76″ x 80″ |
| California King | 72″ x 84″ | 72″ x 84″ |
Learn more about mattress sizes.
Compare Prices
Read below to learn about how the Polysleep and Casper compare in cost and figure out which one better fits your budget.
| Casper | Polysleep | |
| Twin | $895 | $899 |
| Twin XL | $995 | $949 |
| Full | $1,195 | $1,099 |
| Queen | $1,295 | $1,199 |
| King | $1,695 | $1,299 |
| Cal King | $1,695 | $1,299 |
Compare Mattress Materials
Though they are both all-foam mattresses, the Casper and Polysleep differ slightly in their construction. Take a look inside the Casper Original and Polysleep and see the layers that make each of them up.
Inside the Casper Mattress
- AirScape Foam Layer: A top layer made of AirScape breathable foam that maximizes airflow and helps with body temperature regulation while also conforming to your body to relieve pressure.
- Zoned Support Layer: This foam layer has three ergonomic zones that let your shoulders sink while cradling your hips for ideal spinal alignment.
- Durable Base Layer: A bottom layer that prevents sinking and sagging while providing support for your entire body.
Inside the Polysleep Mattress
- Soft Liquid Repellent Cover: A soft and repellent mattress cover that limits the damage of spills and accidents. It also features premium mesh that helps with body temperature control and the overall airflow of the mattress.
- Breathable Top Layer: The hybrid foam layer adapts your body and its movements while relieving pressure. This layer also adds more body temperature control.
- Proprietary Support Frame: A built-in support frame that offers amazing support and stability to the mattress and helps with edge support.
- Comfortable Transition Layer: This foam layer bridges between the top and base layer to help them work together and provide ultimate comfort to the entire mattress.
- Supportive Foam Base: The base layer is made of high-density foam that acts like a box spring and provides reinforcement for all the layers above it.
Compare MA Scores
Here at Mattress Advisor, we assess mattresses in many different categories, such as motion transfer, durability, and even the company’s social impact. Take a look at the chart below to learn about how the Casper Original and Polysleep compared in many more categories.
| Casper | Polysleep | |
| Shipping | 8 | 7 |
| Trial Period | 8 | 9 |
| Return Policy | 8 | 10 |
| Warranty | 8 | 9 |
| Set-Up Test | 8 | 9 |
| Motion Transfer Test | 8 | 9.25 |
| Edge Support Test | 9.5 | 9.5 |
| Pressure Relief Test | 8.5 | 6.75 |
| Spinal Alignment Test | 9.5 | 8.5 |
| Responsiveness Test | 10 | 7.25 |
| Cooling Evaluation | 7 | 8.5 |
| Durability Evaluation | 8 | 8 |
| Customer Service Score | 9 | 9 |
| Social Impact Score | 8.5 | 6 |
| TOTAL SCORE | 8.7/10 | 8.5/10 |
Which Is the Best Mattress for You? Casper vs. Polysleep
While the Casper and Polysleep are both all-foam mattresses and offer amazing edge support, they have their differences: like how they match up with different sleeping positions, how much they cost, and the details of customer service.
Sleeping Position
Thanks to their almost identical firmness, both the Casper Original and Polysleep handle almost any sleeping position extremely well.
The one issue here is Polysleep’s responsiveness. Compared to the Casper’s perfect 10/10 score, the Polysleep’s 7.25/10 means that it will not do as well as the Casper when used by a combination sleeper, but will still do a great job supporting you on your stomach, back, or side.
Sleep Environment
The Casper Original and Polysleep are both designed to be breathable and sleep cool. Because of their added cooling technologies, they sleep much cooler than a typical mattress but warmer than many traditional innerspring or hybrid mattresses.
Budget
The Polysleep and the Casper Original cost about the same, except for a $400+ difference with the king-size mattresses. Since the price difference isn’t too large, this allows you to consider other things, like edge support, pressure relief, and warranty.
Customer Service
To contact Casper customer support, call (888) 498-0003 or use the live chat function on their website https://casper.com/home-v1/.
To contact Polysleep customer service, call (844) 869-7659, email support@polysleep.com, or use the live chat function on their website https://polysleep.com/.
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