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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 101-110 of 249 reviews
Nov 21, 2024
kaifou_199126
5 out of 5 stars
5 out of 5 stars review

Have you ever wanted your bed to give you a hug?

[This review was collected as part of a promotion.] This bed was put into our guest room and it might be more comfortable than my bed. With the right mattress protector, the mattress is surprisingly cooling and cozy in both hot and cold weather! The mattress has the perfect balance of plushness and support for your body. I would recommend to anyone looking for a new mattress.

Review from Serta
Helpful?1L02F9H4SZMK15240352414
Sep 9, 2024
bbyjayy
5 out of 5 stars
5 out of 5 stars review

Definitely LOVE!!!

[This review was collected as part of a promotion.] At first I was skeptical to receive a mattress to review however I am truly blown away by the quality and comfortability! I went from total memory foam to this and it has truly made a different in the support on my back! I can also tell the different with their cooling technology! I feel blessed and extremely grateful for this opportunity!

Review from Serta
Helpful?1L02F9H4SZMK15240352414
Aug 23, 2024
jenn68
5 out of 5 stars
5 out of 5 stars review

Super comfy

[This review was collected as part of a promotion.] I couldn’t be happier with it! From the moment I unboxed it, I could tell it was a high-quality mattress. The hybrid design combines the best of both worlds with a comfortable foam layer and supportive innerspring coils, making it incredibly cozy yet supportive. The medium-firm feel is perfect – it strikes just the right balance between softness and support, making it ideal for a restful night’s sleep.

Review from Serta
Helpful?1L02F9H4SZMK15240352414
Sep 14, 2025
Sherry S
5 out of 5 stars
5 out of 5 stars review

Best sleep ever!

Very comfortable and supportive! Woke up after the first nights sleep with no up pain!!

Review from Serta
Helpful?1L02F9H4SZMK15240352414
Dec 12, 2025
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?1L02F9H4SZMK15240352414
Aug 31, 2025
Sharron A
5 out of 5 stars
5 out of 5 stars review

Good quality

Nice mattress good support

Review from Serta
Helpful?1L02F9H4SZMK15240352414
Dec 5, 2025
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?1L02F9H4SZMK15240352414
Dec 5, 2025
Mayra V
5 out of 5 stars
5 out of 5 stars review

The best for best price.

Great strong and soft mattress for rest and sleepful.

Review from Serta
Helpful?1L02F9H4SZMK15240352414
Oct 15, 2025
Teresa H
3 out of 5 stars
3 out of 5 stars review

Disappointing

Already showing body imprints. Not really "cool" sleeping. It's just ok.

Review from Serta
Helpful?1L02F9H4SZMK15240352414
Sep 18, 2025
John P
5 out of 5 stars
5 out of 5 stars review

John P like looks

Just got today, I’ll know better tomorrow.

Review from Serta
Helpful?1L02F9H4SZMK15240352414