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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
249 ratings249 reviews
  1. 5 stars79% (197)
  2. 4 stars15% (38)
  3. 3 stars3% (7)
  4. 2 stars1% (2)
  5. 1 star2% (5)

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Showing 181-190 of 249 reviews
Mar 25, 2025
Yan N
5 out of 5 stars
5 out of 5 stars review

Yan

Comfy and easy to fall asleep on

Review from Serta
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Feb 7, 2025
Emory K
5 out of 5 stars
5 out of 5 stars review

Excellent Deal

Absolutely love this mattress great for my back

Review from Serta
Helpful?1L02F9H4SZMK15231903459
Mar 26, 2025
Norman R
5 out of 5 stars
5 out of 5 stars review

Beautiful mattress

This mattress is both comfortable and beautiful. So happy with it.

Review from Serta
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Feb 24, 2025
Deborah S
5 out of 5 stars
5 out of 5 stars review

Serta King Knox

Enjoying this new mattress!

Review from Serta
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Jul 16, 2025
Edward V
4 out of 5 stars
4 out of 5 stars review

New Serta Mattress

So far, comfortable and may help the back issues.

Review from Serta
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Dec 4, 2024
James C
5 out of 5 stars
5 out of 5 stars review

Great

The first firm mattress we have had,it’s really great

Review from Serta
Helpful?1L02F9H4SZMK15231903459
Feb 22, 2025
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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Feb 21, 2025
Janice G
5 out of 5 stars
5 out of 5 stars review

New Mattress

Comfortable and supportive mattress

Review from Serta
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Jun 15, 2025
James W
3 out of 5 stars
3 out of 5 stars review

Comfortable Sleep

Very firm. Looking forward to comfortable sleep.

Review from Serta
Helpful?1L02F9H4SZMK15231903459
May 5, 2025
Rodney cristina B
5 out of 5 stars
5 out of 5 stars review

PSX 24 Knox FM Queen

Best nights sleep in sooo long! Soft enoght o invite,firm enough to support.

Review from Serta
Helpful?1L02F9H4SZMK15231903459