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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
stars237 ratings237 reviews
  1. 5 stars79% (188)
  2. 4 stars16% (37)
  3. 3 stars3% (7)
  4. 2 stars0% (1)
  5. 1 star2% (4)

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Showing 71-80 of 237 reviews
Nov 22, 2025
Ronda S
5 out of 5 stars review

Firm and comfortable

Love new mattress. Side sleeper and it is not too firm to cause discomfort. Highly recommend.

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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

Review from Serta
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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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Jan 20, 2026
Steven S
5 out of 5 stars review

Great feeling

Comfortable and supportive

Review from Serta
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Nov 29, 2025
William H
5 out of 5 stars review

Noce bed

Bought it with an adjustable base. Seems comfortable

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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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
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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.

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Jan 25, 2026
Linda S
5 out of 5 stars review

Perfect Sleeper

So so good! Very comfy and cozy and great for my back!

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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

Review from Serta
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