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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
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 191-200 of 264 reviews
Sep 18, 2025
Reviewer name: Betsy C
3 out of 5 stars
3 out of 5 stars review

Firm but comfy

It’s a really nice mattress we just have to get use to the firmness!

Review from Serta
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Mar 3, 2025
Reviewer name: Lavettra C
4 out of 5 stars
4 out of 5 stars review

P

Comfy and supportive mattress; it sleeps very well. It’s also very heavy.

Review from Serta
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Mar 22, 2025
Reviewer name: Margaret M
5 out of 5 stars
5 out of 5 stars review

Restful sleep

Our mattress was 20 years old. This mattress is so comfy. Not too soft not too hard. Jyst right.

Review from Serta
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Sep 30, 2025
Reviewer name: Vincent W
4 out of 5 stars
4 out of 5 stars review

So far so good!

First week down. Mattress is very supportive.

Review from Serta
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May 5, 2025
Reviewer name: Aracelee S
5 out of 5 stars
5 out of 5 stars review

Amazing mattress!

Comfy and supportive, everything my back needs! Worth every penny!

Review from Serta
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Jan 14, 2025
Reviewer name: Sam M
5 out of 5 stars
5 out of 5 stars review

Sleepless in Chicago

So far so good. Takes some adjustment. Last night was great.

Review from Serta
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Jan 16, 2025
Reviewer name: Hyacinth M
5 out of 5 stars
5 out of 5 stars review

New dreams

Very supportive thick mattress.

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Feb 22, 2025
Reviewer name: Wayman T
3 out of 5 stars
3 out of 5 stars review

Doesn’t feel like it did in the store

Hoping it will soften soon

Review from Serta
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Mar 15, 2025
Reviewer name: Mirta R
5 out of 5 stars
5 out of 5 stars review

Serra perfect sleeper X

Nice and firm. feels great to my back. Love the design and color.

Review from Serta
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Sep 18, 2025
Reviewer name: Sheila G
5 out of 5 stars
5 out of 5 stars review

Serta

Mattress is very pretty in color and comfortable. I hope it will last at least 10 years.

Review from Serta
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