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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
stars229 ratings229 reviews
  1. 5 stars79% (181)
  2. 4 stars16% (36)
  3. 3 stars3% (7)
  4. 2 stars0% (1)
  5. 1 star2% (4)

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Showing 71-80 of 229 reviews
Dec 5, 2025
Mayra V
5 out of 5 stars review

The best for best price.

Great strong and soft mattress for rest and sleepful.

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Oct 19, 2025
Gary E
5 out of 5 stars review

Great!

Comfy & good night’s rest!

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Dec 5, 2025
Susan A
5 out of 5 stars review

Truly the Perfect Sleeper!

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

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Sep 18, 2025
Betsy C
3 out of 5 stars review

Firm but comfy

It’s a really nice mattress we just have to get use to the firmness!

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Oct 11, 2025
Marsha M
5 out of 5 stars review

Great mattress

Comfortable, great night sleep

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Nov 27, 2025
Tammy P
5 out of 5 stars review

Comfy

Just the right support, very comfortable

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Sep 29, 2025
Normand G
5 out of 5 stars review

Comfort!!

Very comfortable mattress!

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Oct 3, 2025
Alin K
4 out of 5 stars review

So far so good!

I've only slept on my new mattress five nights and I really like it already.

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Sep 18, 2025
John P
5 out of 5 stars review

John P like looks

Just got today, I’ll know better tomorrow.

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Oct 15, 2025
Teresa H
3 out of 5 stars review

Disappointing

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

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