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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
stars229 ratings229 reviews
  1. 5 stars79% (181)
  2. 4 stars16% (36)
  3. 3 stars3% (7)
  4. 2 stars0% (1)
  5. 1 star2% (4)

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Showing 171-180 of 229 reviews
Mar 22, 2025
Keith L
5 out of 5 stars review

Perfect!

I was looking for more support something not too hard and not too soft and I settled for the plush and it’s perfect!

Review from Serta
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Feb 1, 2025
Patricia Z
5 out of 5 stars review

Comfy, supportive, great quality

Our new Serta mattress and box springs are very comfortable and supportive (for my bad back). This mattress is very well made.

Review from Serta
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Apr 19, 2025
Jeremy H
5 out of 5 stars review

"It's good, I like it!"

These are the words of the wisest, smartest, and most beautiful person in the world: My Wife. Passes the wife test, passes my test.

Review from Serta
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Dec 14, 2024
Scott M
5 out of 5 stars review

So far so good

Have had one night only so far and we are very pleased. Slept very well! Just the right level of firmness for us.

Review from Serta
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Mar 16, 2025
Barbara S
5 out of 5 stars review

Wonderful

Love my new mattress and adjustable frame. Best nights sleep in a long time! Very comfortable.

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Dec 30, 2024
Brian V
5 out of 5 stars review

Perfect firm and quality

Mattress exceeded expectations, firm and great construction.

Review from Serta
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May 20, 2025
Douglas E
4 out of 5 stars review

Great sleep

So glad we bought this one. Sleep is so much better.

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Nov 22, 2024
Andrew M
5 out of 5 stars review

After only 1 night , it's hard to think of a title

Only had it 1 night and so far so good.

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Feb 21, 2025
Janice G
5 out of 5 stars review

New Mattress

Comfortable and supportive mattress

Review from Serta
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Jan 8, 2025
Carolee R
4 out of 5 stars review

So far, so good

Sleep quality has improved

Review from Serta
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