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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 221-230 of 264 reviews
Sep 21, 2025
Reviewer name: Katherine H
5 out of 5 stars
5 out of 5 stars review

Excellent

Supportive yet still feel I can sleep on my side comfortably!

Review from Serta
Helpful?5QG9W3640AJR15202901145
May 8, 2025
Reviewer name: Mark B
5 out of 5 stars
5 out of 5 stars review

Serta Hybrid

Better sleep now than the memory foam one it replaced

Review from Serta
Helpful?5QG9W3640AJR15202901145
Oct 3, 2025
Reviewer name: Alin K
4 out of 5 stars
4 out of 5 stars review

So far so good!

I've only slept on my new mattress five nights and I really like it already.

Review from Serta
Helpful?5QG9W3640AJR15202901145
Sep 18, 2025
Reviewer name: Betsy C
3 out of 5 stars
3 out of 5 stars review

Firm but comfy

It’s a really nice mattress we just have to get use to the firmness!

Review from Serta
Helpful?5QG9W3640AJR15202901145
Jun 13, 2025
Reviewer name: Analuci M
5 out of 5 stars
5 out of 5 stars review

Nice and firm mattress

Looks really solid and durable. My son will love it!

Review from Serta
Helpful?5QG9W3640AJR15202901145
Sep 18, 2025
Reviewer name: Sheila G
5 out of 5 stars
5 out of 5 stars review

Serta

Mattress is very pretty in color and comfortable. I hope it will last at least 10 years.

Review from Serta
Helpful?5QG9W3640AJR15202901145
Aug 12, 2025
Reviewer name: Laura P
5 out of 5 stars
5 out of 5 stars review

One good nights sleep !!!

Super nice mattress, nice and firm. I totally appreciate it. I made the right choice.

Review from Serta
Helpful?5QG9W3640AJR15202901145
Jul 6, 2025
Reviewer name: Deborah T
5 out of 5 stars
5 out of 5 stars review

Serra Mattress

Perfect depth and comfortable

Review from Serta
Helpful?5QG9W3640AJR15202901145
Mar 16, 2025
Reviewer name: Barbara S
5 out of 5 stars
5 out of 5 stars review

Wonderful

Love my new mattress and adjustable frame. Best nights sleep in a long time! Very comfortable.

Review from Serta
Helpful?5QG9W3640AJR15202901145
Sep 30, 2025
Reviewer name: Vincent W
4 out of 5 stars
4 out of 5 stars review

So far so good!

First week down. Mattress is very supportive.

Review from Serta
Helpful?5QG9W3640AJR15202901145