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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
stars232 ratings232 reviews
  1. 5 stars79% (184)
  2. 4 stars16% (36)
  3. 3 stars3% (7)
  4. 2 stars0% (1)
  5. 1 star2% (4)

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Showing 151-160 of 232 reviews
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
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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 5, 2024
beautyforumbyangela
5 out of 5 stars review

The perfect sleep night after night

[This review was collected as part of a promotion.] The Serta Perfect Sleeper Quilted Hybrid mattress will give you a perfect sleep night after night. It is made to be durable, breathable, comfortable and perfect for hot or cold sleepers.

Review from influenster.com
Helpful?7JIQY3DE2VJ715213850200
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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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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Sep 18, 2025
Nina T
4 out of 5 stars review

New Mattress

So far it’s comfy

Review from Serta
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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 7, 2025
Wanda R
5 out of 5 stars review

Sleep deep

Great night's sleep!

Review from Serta
Helpful?7JIQY3DE2VJ715213850200
Sep 18, 2025
Arthur T
4 out of 5 stars review

New Mattress

So star, so good!

Review from Serta
Helpful?7JIQY3DE2VJ715213850200