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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 141-150 of 237 reviews
Sep 21, 2025
Katherine H
5 out of 5 stars review

Excellent

Supportive yet still feel I can sleep on my side comfortably!

Review from Serta
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Jul 6, 2025
Deborah T
5 out of 5 stars review

Serra Mattress

Perfect depth and comfortable

Review from Serta
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Oct 25, 2025
Gary E
5 out of 5 stars review

Comfy

No more back aches

Review from Serta
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Dec 13, 2025
Fernando F
5 out of 5 stars review

Exelent for my back

good Support for my back

Review from Serta
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Feb 3, 2026
James L
5 out of 5 stars review

Serta Firm

Very supportive

Review from Serta
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Jan 28, 2025
redqueen193_9060
5 out of 5 stars review

Comfy Cozy

[This review was collected as part of a promotion.] This is a great mattress. It's tall, so if you have a tall frame you might want to get a new one. I love it. It's comfortable. I do think it could use a little more support but I love it.

Review from influenster.com
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Sep 12, 2024
leaht59
5 out of 5 stars review

Comfortable, supportive mattress.

[This review was collected as part of a promotion.] This hybrid mattress is perfect for our guest room. It is comfortable, durable, and breathable. It is a firm mattress, but it doesn't feel too hard, and the support it provides is great.

Review from influenster.com
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Oct 21, 2024
ksr_official95
4 out of 5 stars review

High quality good performance

[This review was collected as part of a promotion.] This Matress has been really good with my back. It's comfortable and you get good sleep at night. The hybrid technology keeps my body cool and it's nice to feel firmness along with comfort.

Review from influenster.com
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Nov 15, 2024
Rose M
5 out of 5 stars review

Truly the perfect sleeper!

Love the firmness of this mattress. I’m a stomach sleeper and this provides me with the perfect amount of support for a great nights sleep. Also great for my husband who is a back sleeper. No more aches and pains upon wakening.

Review from Serta
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Feb 21, 2025
Susan D
5 out of 5 stars review

Sleep heaven

This mattress is so comfortable! It's firm but not too firm. I added my own pillow top and it feels like sleeping on a cloud. I'm a back sleeper and feel like this mattress has improved my sleep quality.

Review from Serta
Helpful?7JIQY3DE2VJ715235570013