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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 21-30 of 249 reviews
Dec 21, 2025
Reviewer name: Jasmin M
5 out of 5 stars
5 out of 5 stars review

Serta Perfect Sleeper

So far so good. I do like it better than my previous mattress which was more of a soft pillow top firm plush mattress. It was too soft and my back would hurt a lot. So I’m hoping this firm sleeper will do wonders but so far it feels great

Review from Serta
Helpful?1L02F9H4SZMK15235570026
Apr 4, 2026
Reviewer name: Linda F
5 out of 5 stars
5 out of 5 stars review

Had a full nites sleep!

Wanted firm. Got firm. Kept firm didnt sink in... I slept 12 hours straight instead of adjusting & waking up every 2 hours and woke up with zero aches & pains! Its night #4... im hoping it will last days weeks months & years to come ?

Review from Serta
Helpful?1L02F9H4SZMK15235570026
Jul 24, 2026
Reviewer name: Tom M
5 out of 5 stars
5 out of 5 stars review

Knox plush

So far it has been great, had less than a week.

Review from Serta
Helpful?1L02F9H4SZMK15235570026
Feb 1, 2025
Reviewer name: Emankcin
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Very comfortable mattress for me. Firm but not too firm. No more back ache.

Review from Serta
Helpful?1L02F9H4SZMK15235570026
Apr 2, 2025
Reviewer name: Mel V
3 out of 5 stars
3 out of 5 stars review

Verified Purchase

Firm

Don't have any issues with the bed or service. Customers should know this bed is very firm.

Review from Serta
Helpful?1L02F9H4SZMK15235570026
May 29, 2026
Reviewer name: Daetrell L
5 out of 5 stars
5 out of 5 stars review

New mattress.

Mattress is very comfortable and price worthy. I do heavy construction for a living so my body is saying thank you.

Review from Serta
Helpful?1L02F9H4SZMK15235570026
May 16, 2026
Reviewer name: Cheryl P
5 out of 5 stars
5 out of 5 stars review

Commmmfortable

I have no complaints it's super comfortable. I never thought i'd like a mattress other than my king koil.

Review from Serta
Helpful?1L02F9H4SZMK15235570026
Jul 10, 2026
Reviewer name: Noel E
5 out of 5 stars
5 out of 5 stars review

Comfy

Love the support and the foam is caressing!

Review from Serta
Helpful?1L02F9H4SZMK15235570026
Jun 14, 2026
Reviewer name: Paul G
5 out of 5 stars
5 out of 5 stars review

Mattress

Firm the way, I like it and very comfortable

Review from Serta
Helpful?1L02F9H4SZMK15235570026
Jun 28, 2026
Reviewer name: Danielle J
5 out of 5 stars
5 out of 5 stars review

Raymour

Bought mattress in Watertown Ny from Raymour and it feels amazing, firm just like we like it

Review from Serta
Helpful?1L02F9H4SZMK15235570026