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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
stars
264 ratings264 reviews
  1. 5 stars79% (208)
  2. 4 stars15% (40)
  3. 3 stars3% (9)
  4. 2 stars1% (2)
  5. 1 star2% (5)
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Showing 261-264 of 264 reviews
Sep 18, 2025
Reviewer name: Maha A
5 out of 5 stars
5 out of 5 stars review

Great quality

Comfy and nice matters

Review from Serta
Helpful?5QG9W3640AJR15241662248
Feb 18, 2025
Reviewer name: Kathleen B
4 out of 5 stars
4 out of 5 stars review

Full mattress

Feels good

Review from Serta
Helpful?5QG9W3640AJR15241662248
Dec 13, 2024
Reviewer name: Rebecca C
5 out of 5 stars
5 out of 5 stars review

Great!!

Comfy and supportive

Review from Serta
Helpful?5QG9W3640AJR15241662248
May 7, 2025
Reviewer name: Wendy M
5 out of 5 stars
5 out of 5 stars review

Very nice!

Firm as expected

Review from Serta
Helpful?5QG9W3640AJR15241662248