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Sam's Club
Sam's Club
Customer reviews for Serta Perfect Sleeper X Knox Hybrid Mattress for
Serta Perfect Sleeper X Knox Hybrid Mattress
4.7 out of 5 stars
stars235 ratings235 reviews
  1. 5 stars80% (187)
  2. 4 stars15% (36)
  3. 3 stars3% (7)
  4. 2 stars0% (1)
  5. 1 star2% (4)

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Showing 71-80 of 235 reviews
Oct 11, 2025
Marsha M
5 out of 5 stars review

Great mattress

Comfortable, great night sleep

Review from Serta
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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
Helpful?7JIQY3DE2VJ715231903459
Dec 21, 2025
Rita D
5 out of 5 stars review

Great support

Very firm! Exactly what was wanted and received!

Review from Serta
Helpful?7JIQY3DE2VJ715231903459
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?7JIQY3DE2VJ715231903459
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
Helpful?7JIQY3DE2VJ715231903459
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
Helpful?7JIQY3DE2VJ715231903459
Nov 8, 2025
Charlene S
5 out of 5 stars review

Bush & Gilles - Single XL

Seems to be a great mattress

Review from Serta
Helpful?7JIQY3DE2VJ715231903459
Jan 20, 2026
Steven S
5 out of 5 stars review

Great feeling

Comfortable and supportive

Review from Serta
Helpful?7JIQY3DE2VJ715231903459
Jan 30, 2026
Teresa B
4 out of 5 stars review

Relaxing

Comfortable and supportive.

Review from Serta
Helpful?7JIQY3DE2VJ715231903459
Nov 30, 2025
Rick Y
5 out of 5 stars review

Feels great

Very comfortable and woke pain free. Great product

Review from Serta
Helpful?7JIQY3DE2VJ715231903459