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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 161-170 of 229 reviews
Jun 9, 2025
Richard S
5 out of 5 stars review

Serta mattress

Very comfy mattress

Review from Serta
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Jun 15, 2025
Denice S
5 out of 5 stars review

Firm and comfortable

Supportive mattress!!

Review from Serta
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Jul 31, 2025
Cherrie K
4 out of 5 stars review

Serra for good rest

Comfy for back issues

Review from Serta
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Jun 10, 2025
Ana carolina M
5 out of 5 stars review

Comfy and firm

Comfy and firm mattress

Review from Serta
Helpful?7JIQY3DE2VJ715231853527
Aug 26, 2025
Kent S
5 out of 5 stars review

New mattress we love it

Very nice and supportive

Review from Serta
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Sep 2, 2025
James G
5 out of 5 stars review

I bought your mattress because I liked it.

Firm and supportive!!

Review from Serta
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Nov 3, 2024
Sonja G
5 out of 5 stars review

grnlight

This mattress is firm and supportive exact comfort for me with a touch of softness like a pillow top. I just love it.

Review from Serta
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Feb 1, 2025
Patricia Z
5 out of 5 stars review

Comfy, supportive, great quality

Our new Serta mattress and box springs are very comfortable and supportive (for my bad back). This mattress is very well made.

Review from Serta
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Dec 14, 2024
Scott M
5 out of 5 stars review

So far so good

Have had one night only so far and we are very pleased. Slept very well! Just the right level of firmness for us.

Review from Serta
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Mar 9, 2025
Patricia N
5 out of 5 stars review

SATISFIED

Perfect Sleeper. We're able to sleep at night. Very satisfied with with our back problems. Problem satisfied, very firm comfortable.❤️👌

Review from Serta
Helpful?7JIQY3DE2VJ715231853527