Skip to Main Content
Sam's Club
Sam's Club
All Departments
All Services
Customer reviews for Serta Perfect Sleeper X Knox Hybrid Mattress for
Serta Perfect Sleeper X Knox Hybrid Mattress
4.7 out of 5 stars
stars
264 ratings264 reviews
  1. 5 stars79% (208)
  2. 4 stars15% (40)
  3. 3 stars3% (9)
  4. 2 stars1% (2)
  5. 1 star2% (5)
Sort by |
Showing 101-110 of 264 reviews
Sep 28, 2024
Reviewer name: victoriar367
5 out of 5 stars
5 out of 5 stars review

Comfortable

[This review was collected as part of a promotion.] ABSOLUTELY AMAZING! I can't believe I received a mattress, an extremely comfortable one at that! It adds so much to the room. The height is great & completes the room. The design on the mattress is very intricate. Good support, durability, and comfort. It's soft yet firm. Love this mattress!

Review from Serta
Helpful?5QG9W3640AJR15258655091
Jun 26, 2025
Reviewer name: Eric T
5 out of 5 stars
5 out of 5 stars review

Great mattress - beautiful, well designed, and very comfortable

Love this mattress. Beautiful design and very comfortable. It has good support and a lovely cushioned top. Independent coil design with five comfort points is ingenious. We looked at every other brand, and this mattress was by far the best-designed and most competitively priced one we could find. Highly recommended.

Review from Serta
Helpful?5QG9W3640AJR15258655091
Sep 7, 2024
Reviewer name: nestaziak
5 out of 5 stars
5 out of 5 stars review

Best sleep I’ve had in a long time!

[This review was collected as part of a promotion.] This mattress is amazing! I didn’t know how badly I needed a new mattress until I received this one. I had the best nights sleep ever, I woke up feeling refreshed and ready to go for my day! The mattress itself is so comfortable and has just the right amount of firmness. I also like the quilted material of the mattress and the height of it. It is definitely worth the price and I am so happy to have it.

Review from Serta
Helpful?5QG9W3640AJR15258655091
Sep 21, 2024
Reviewer name: dennyl1
5 out of 5 stars
5 out of 5 stars review

Cooling technology

[This review was collected as part of a promotion.] After a month of sleeping on the **Serta Perfect Sleeper Quilted Hybrid 24 Knox Plush Tight Top (Queen)**, here are some impressions I have: ### Comfort and Support: - **Plush Feel with Firm Support**: The plush top provides a soft, welcoming surface, while the underlying firm support ensures proper spinal alignment. This combination is ideal for back and stomach sleepers who need solid support but still enjoy a softer surface for comfort - **Pressure Relief**: The memory foam and gel layers do a good job of relieving pressure from key areas such as the shoulders, hips, and lower back, which is particularly helpful if you're prone to waking up with aches ### Cooling Features: - **Cooling Tech**: One of the standout features is the **Cool Twist Gel Foam** and **graphite-infused memory foam**. These layers work well to dissipate body heat, keeping the mattress relatively cool even on warm nights. If you're a hot sleeper, you may notice an improvement in temperature regulation ### Motion Isolation: - **Minimized Partner Disturbance**: The mattress's coil and foam construction does a great job of isolating motion, so if you share your bed with someone, you’re less likely to be disturbed by their movements during the night ### Adjustability and Durability: - **Early Durability Observations**: After a month, the mattress should still feel as firm and supportive as when it was first purchased. The **edge support** is strong, preventing sagging when sitting or lying near the edges. Additionally, it’s compatible with adjustable bases, which adds flexibility for various sleeping positions ### Potential Downsides: - **Plush Might Be Too Soft for Some**: Although the plush top feels luxurious, some users might find it a bit too soft, especially if they prefer firmer surfaces or are heavier individuals, as they might experience more sinkage than they prefer Overall, after a month, this mattress should still feel new, with excellent support and comfort, making it a solid choice for those who value pressure relief, motion isolation, and cooling technology.

Review from Serta
Helpful?5QG9W3640AJR15258655091
Sep 16, 2024
Reviewer name: bradh19
5 out of 5 stars
5 out of 5 stars review

Great support and breathability

[This review was collected as part of a promotion.] This is an absolutely comfortable bed. Didn't know how our old bed was wore out until we felt the support this bed provides. We seem to sleep cool and it breathes well. Great packaging and should last a long time.

Review from Serta
Helpful?5QG9W3640AJR15258655091
Nov 2, 2025
Reviewer name: Linda S
5 out of 5 stars
5 out of 5 stars review

Great

Thanks for the quality product and 10 year quality assurances.

Review from Serta
Helpful?5QG9W3640AJR15258655091
Apr 2, 2025
Reviewer name: Mel V
3 out of 5 stars
3 out of 5 stars review

Verified Purchase

Firm

Don't have any issues with the bed or service. Customers should know this bed is very firm.

Review from Serta
Helpful?5QG9W3640AJR15258655091
Feb 1, 2025
Reviewer name: Emankcin
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Very comfortable mattress for me. Firm but not too firm. No more back ache.

Review from Serta
Helpful?5QG9W3640AJR15258655091
Nov 30, 2025
Reviewer name: Rick Y
5 out of 5 stars
5 out of 5 stars review

Feels great

Very comfortable and woke pain free. Great product

Review from Serta
Helpful?5QG9W3640AJR15258655091
Jan 25, 2026
Reviewer name: Linda S
5 out of 5 stars
5 out of 5 stars review

Perfect Sleeper

So so good! Very comfy and cozy and great for my back!

Review from Serta
Helpful?5QG9W3640AJR15258655091