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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 81-90 of 229 reviews
Nov 29, 2025
William H
5 out of 5 stars review

Noce bed

Bought it with an adjustable base. Seems comfortable

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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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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.

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

Comfy

Just the right support, very comfortable

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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!

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Nov 8, 2025
Charlene S
5 out of 5 stars review

Bush & Gilles - Single XL

Seems to be a great mattress

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Dec 21, 2025
Rita D
5 out of 5 stars review

Great support

Very firm! Exactly what was wanted and received!

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Dec 5, 2025
Geraldine T
5 out of 5 stars review

Hybrid Serra mattress

Great for relief of my back pain so far

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Mar 22, 2026
Alexander M
5 out of 5 stars review

Excellent firm mattress

Very supportive

Review from Serta
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