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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
249 ratings249 reviews
  1. 5 stars79% (197)
  2. 4 stars15% (38)
  3. 3 stars3% (7)
  4. 2 stars1% (2)
  5. 1 star2% (5)

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Showing 161-170 of 249 reviews
Sep 3, 2025
Phyllis W
5 out of 5 stars
5 out of 5 stars review

Excellent and importantly so comfortable

Firm and comfortable

Review from Serta
Helpful?1L02F9H4SZMK15202901145
Aug 26, 2025
Kent S
5 out of 5 stars
5 out of 5 stars review

New mattress we love it

Very nice and supportive

Review from Serta
Helpful?1L02F9H4SZMK15202901145
Sep 18, 2025
Arthur T
4 out of 5 stars
4 out of 5 stars review

New Mattress

So star, so good!

Review from Serta
Helpful?1L02F9H4SZMK15202901145
Sep 7, 2025
Wanda R
5 out of 5 stars
5 out of 5 stars review

Sleep deep

Great night's sleep!

Review from Serta
Helpful?1L02F9H4SZMK15202901145
Apr 19, 2025
Jeremy H
5 out of 5 stars
5 out of 5 stars review

"It's good, I like it!"

These are the words of the wisest, smartest, and most beautiful person in the world: My Wife. Passes the wife test, passes my test.

Review from Serta
Helpful?1L02F9H4SZMK15202901145
Dec 14, 2024
Scott M
5 out of 5 stars
5 out of 5 stars review

So far so good

Have had one night only so far and we are very pleased. Slept very well! Just the right level of firmness for us.

Review from Serta
Helpful?1L02F9H4SZMK15202901145
Jun 21, 2025
Erica N
5 out of 5 stars
5 out of 5 stars review

Perfect Sleep

Not too firm, not too soft, just right! In love with my new mattress. Highly recommend. It makes a difference!

Review from Serta
Helpful?1L02F9H4SZMK15202901145
Jul 17, 2025
Kendra S
4 out of 5 stars
4 out of 5 stars review

Sister bed

My sister seems to be comfortable and sleeps well through the night. No more saggy mattress she wakes up with a smile on her face.

Review from Serta
Helpful?1L02F9H4SZMK15202901145
Nov 3, 2024
Sonja G
5 out of 5 stars
5 out of 5 stars review

grnlight

This mattress is firm and supportive exact comfort for me with a touch of softness like a pillow top. I just love it.

Review from Serta
Helpful?1L02F9H4SZMK15202901145
Aug 11, 2025
Patricia B
3 out of 5 stars
3 out of 5 stars review

So so

Seems to stay indented where I sleep. Didn’t think I would have that with such an expensive mattress. But seems to be comfortable.

Review from Serta
Helpful?1L02F9H4SZMK15202901145