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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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Dec 12, 2025
Debbie H
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
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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.

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
Helpful?7JIQY3DE2VJ715235568801
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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Oct 11, 2025
Marsha M
5 out of 5 stars review

Great mattress

Comfortable, great night sleep

Review from Serta
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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!

Review from Serta
Helpful?7JIQY3DE2VJ715235568801
Sep 28, 2025
Stephen m M
5 out of 5 stars review

Great mattress

Comfortable and supportive!

Review from Serta
Helpful?7JIQY3DE2VJ715235568801
Nov 2, 2025
Linda S
5 out of 5 stars review

Great

Thanks for the quality product and 10 year quality assurances.

Review from Serta
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Dec 8, 2025
Kendra B
4 out of 5 stars review

Getting to know each other

First few nights was a little stiff. But now settling in and super comfortable.

Review from Serta
Helpful?7JIQY3DE2VJ715235568801