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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)
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Showing 101-110 of 264 reviews
Oct 13, 2024
Reviewer name: abhilashp
5 out of 5 stars
5 out of 5 stars review

Perfect Hybrid Mattress

[This review was collected as part of a promotion.] This Serta mattress has a beautiful design pattern. It provides proper support no matter if I sleep on my back or on sides. The mattress actually has firmness that I was expecting, other mattresses I’ve used in the past deforms memory foam overtime with weight. Hybrid technology indeed brings best of spring and memory foam mattress together.

Review from Serta
Helpful?5QG9W3640AJR15231903459
Mar 9, 2025
Reviewer name: Michelle S
5 out of 5 stars
5 out of 5 stars review

Fantastic support!

This mattress is so comfortable! Perfect amount of softness on the top to support my curves with great firm support beneath. I am just giddy to climb into bed each night. I don't know why I didn't buy a new mattress sooner. I had no idea what I was missing!

Review from Serta
Helpful?5QG9W3640AJR15231903459
Sep 26, 2024
Reviewer name: JoelleL
5 out of 5 stars
5 out of 5 stars review

My son loves it

[This review was collected as part of a promotion.] We put this serta mattress in my son's room and he loves sleeping in it. It's really comfortable for us as well for those nights he wants us sleeping with him. My husband and I don't wake with any back pain like we did with his old mattress. 10/10 would recommend

Review from Serta
Helpful?5QG9W3640AJR15231903459
Sep 8, 2024
Reviewer name: girlchickbetty
5 out of 5 stars
5 out of 5 stars review

Supportive and so comfortable

[This review was collected as part of a promotion.] This is the most comfortable mattress that I've ever owned! I've bought all sorts of toppers in the past to try to make our old mattresses more comfortable but this one has been amazing straight from the box! It didn't need to air out and had zero off gassing smells. I usually feel unsupported on my lower back but this pillow top really fills out your curves and supports everywhere. The floral design is very cute, I do worry that it might pill but haven't had any issues yet.

Review from Serta
Helpful?5QG9W3640AJR15231903459
Oct 19, 2024
Reviewer name: jenny856772
5 out of 5 stars
5 out of 5 stars review

Firm support, yet comfortable

[This review was collected as part of a promotion.] This mattress is firm and provides strong support. We lay it on the ground to sleep to nurse our newborn. You can lie down or getup without rocking it or disturbing each other. High quality mattress and well constructed.

Review from Serta
Helpful?5QG9W3640AJR15231903459
Oct 19, 2025
Reviewer name: Gary E
5 out of 5 stars
5 out of 5 stars review

Great!

Comfy & good night’s rest!

Review from Serta
Helpful?5QG9W3640AJR15231903459
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?5QG9W3640AJR15231903459
Dec 21, 2025
Reviewer name: Rita D
5 out of 5 stars
5 out of 5 stars review

Great support

Very firm! Exactly what was wanted and received!

Review from Serta
Helpful?5QG9W3640AJR15231903459
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?5QG9W3640AJR15231903459
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?5QG9W3640AJR15231903459