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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 151-160 of 249 reviews
Oct 26, 2024
elgal
5 out of 5 stars
5 out of 5 stars review

Great quality!

[This review was collected as part of a promotion.] This mattress is super comfortable and gives us all the support we need, have seen a difference waking up with less body ache and strained back muscles.

Review from Serta
Helpful?1L02F9H4SZMK15241662248
Feb 21, 2025
Susan D
5 out of 5 stars
5 out of 5 stars review

Sleep heaven

This mattress is so comfortable! It's firm but not too firm. I added my own pillow top and it feels like sleeping on a cloud. I'm a back sleeper and feel like this mattress has improved my sleep quality.

Review from Serta
Helpful?1L02F9H4SZMK15241662248
Sep 12, 2024
leaht59
5 out of 5 stars
5 out of 5 stars review

Comfortable, supportive mattress.

[This review was collected as part of a promotion.] This hybrid mattress is perfect for our guest room. It is comfortable, durable, and breathable. It is a firm mattress, but it doesn't feel too hard, and the support it provides is great.

Review from Serta
Helpful?1L02F9H4SZMK15241662248
Nov 3, 2024
Connie D
5 out of 5 stars
5 out of 5 stars review

Finally; no pain

Was having severe back; hip and shoulder pain. Slept on another bed on vacation and realized I needed to get a new mattress!! It’s amazing how much better I feel!!

Review from Serta
Helpful?1L02F9H4SZMK15241662248
Oct 25, 2025
Gary E
5 out of 5 stars
5 out of 5 stars review

Comfy

No more back aches

Review from Serta
Helpful?1L02F9H4SZMK15241662248
Dec 13, 2025
Fernando F
5 out of 5 stars
5 out of 5 stars review

Exelent for my back

good Support for my back

Review from Serta
Helpful?1L02F9H4SZMK15241662248
Sep 22, 2025
Cindy D
5 out of 5 stars
5 out of 5 stars review

Sleep like a baby

So firm! I love it!

Review from Serta
Helpful?1L02F9H4SZMK15241662248
Sep 2, 2025
James G
5 out of 5 stars
5 out of 5 stars review

I bought your mattress because I liked it.

Firm and supportive!!

Review from Serta
Helpful?1L02F9H4SZMK15241662248
Sep 18, 2025
Nina T
4 out of 5 stars
4 out of 5 stars review

New Mattress

So far it’s comfy

Review from Serta
Helpful?1L02F9H4SZMK15241662248
Sep 18, 2025
Maha A
5 out of 5 stars
5 out of 5 stars review

Great quality

Comfy and nice matters

Review from Serta
Helpful?1L02F9H4SZMK15241662248