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Customer reviews for Serta Perfect Sleeper X Knox Hybrid Mattress for
Serta Perfect Sleeper X Knox Hybrid Mattress
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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 61-70 of 229 reviews
May 8, 2026
Olsi G
5 out of 5 stars review

Nice

Nice mattress

Review from Serta
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Oct 18, 2025
Jeff L
5 out of 5 stars review

Very Comfortable

No more aches and pains when I wake up in the morning.

Review from Serta
Helpful?7JIQY3DE2VJ715240352414
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.

Review from Serta
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Oct 13, 2025
Bertha S
5 out of 5 stars review

Serta

I like a firm mattress and this fits my needs

Review from Serta
Helpful?7JIQY3DE2VJ715240352414
Sep 28, 2025
Stephen m M
5 out of 5 stars review

Great mattress

Comfortable and supportive!

Review from Serta
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Sep 21, 2025
Katherine H
5 out of 5 stars review

Excellent

Supportive yet still feel I can sleep on my side comfortably!

Review from Serta
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Nov 30, 2025
Rick Y
5 out of 5 stars review

Feels great

Very comfortable and woke pain free. Great product

Review from Serta
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Nov 17, 2025
Yasmeen S
5 out of 5 stars review

New and nice!

Comfy so far. Lets see how it lasts!

Review from Serta
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Sep 20, 2025
Pam C
5 out of 5 stars review

Extremely comfortable

This mattress is so comfortable. It gives to your body but also supportive.

Review from Serta
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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.

Review from Serta
Helpful?7JIQY3DE2VJ715240352414