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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 111-120 of 264 reviews
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?5QG9W3640AJR15258655091
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?5QG9W3640AJR15258655091
Nov 27, 2025
Reviewer name: Tammy P
5 out of 5 stars
5 out of 5 stars review

Comfy

Just the right support, very comfortable

Review from Serta
Helpful?5QG9W3640AJR15258655091
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?5QG9W3640AJR15258655091
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?5QG9W3640AJR15258655091
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?5QG9W3640AJR15258655091
Dec 5, 2025
Reviewer name: Susan A
5 out of 5 stars
5 out of 5 stars review

Truly the Perfect Sleeper!

Perfect amount of firmness and comfort; definitely helped with healing my total hip replacement.

Review from Serta
Helpful?5QG9W3640AJR15258655091
Dec 8, 2025
Reviewer name: Kendra B
4 out of 5 stars
4 out of 5 stars review

Getting to know each other

First few nights was a little stiff. But now settling in and super comfortable.

Review from Serta
Helpful?5QG9W3640AJR15258655091
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?5QG9W3640AJR15258655091
Jan 20, 2026
Reviewer name: Steven S
5 out of 5 stars
5 out of 5 stars review

Great feeling

Comfortable and supportive

Review from Serta
Helpful?5QG9W3640AJR15258655091