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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 121-130 of 264 reviews
Dec 12, 2025
Reviewer name: Debbie H
5 out of 5 stars
5 out of 5 stars review

Comfy!

Nice and firm, very comfortable and I do not want to get out of bed!!

Review from Serta
Helpful?5QG9W3640AJR15235570026
Dec 5, 2025
Reviewer name: Geraldine T
5 out of 5 stars
5 out of 5 stars review

Hybrid Serra mattress

Great for relief of my back pain so far

Review from Serta
Helpful?5QG9W3640AJR15235570026
Feb 4, 2026
Reviewer name: Christian Q
5 out of 5 stars
5 out of 5 stars review

Great Product

Comfy and exactly what we were looking for!

Review from Serta
Helpful?5QG9W3640AJR15235570026
Oct 18, 2025
Reviewer name: Jeff L
5 out of 5 stars
5 out of 5 stars review

Very Comfortable

No more aches and pains when I wake up in the morning.

Review from Serta
Helpful?5QG9W3640AJR15235570026
Nov 29, 2025
Reviewer name: William H
5 out of 5 stars
5 out of 5 stars review

Noce bed

Bought it with an adjustable base. Seems comfortable

Review from Serta
Helpful?5QG9W3640AJR15235570026
Nov 8, 2025
Reviewer name: Charlene S
5 out of 5 stars
5 out of 5 stars review

Bush & Gilles - Single XL

Seems to be a great mattress

Review from Serta
Helpful?5QG9W3640AJR15235570026
Oct 30, 2025
Reviewer name: Michael M
5 out of 5 stars
5 out of 5 stars review

Wonderful!!!!!!!!!!

No more sagging mattress, very supportive.

Review from Serta
Helpful?5QG9W3640AJR15235570026
Nov 22, 2025
Reviewer name: Ronda S
5 out of 5 stars
5 out of 5 stars review

Firm and comfortable

Love new mattress. Side sleeper and it is not too firm to cause discomfort. Highly recommend.

Review from Serta
Helpful?5QG9W3640AJR15235570026
Nov 17, 2025
Reviewer name: Yasmeen S
5 out of 5 stars
5 out of 5 stars review

New and nice!

Comfy so far. Lets see how it lasts!

Review from Serta
Helpful?5QG9W3640AJR15235570026
Jan 23, 2026
Reviewer name: Paul W
5 out of 5 stars
5 out of 5 stars review

Adjustable bed

It feels so good to wake up refreshed!

Review from Serta
Helpful?5QG9W3640AJR15235570026