Customer reviews for Serta Perfect Sleeper X Knox Hybrid Mattress

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Customer reviews for Serta Perfect Sleeper X Knox Hybrid Mattress for

Serta Perfect Sleeper X Knox Hybrid Mattress

Back to item details

4.7 out of 5 stars

stars

249 ratings249 reviews

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Showing 51-60 of 249 reviews

Aug 2, 2026

Benjamin K

5 out of 5 stars

5 out of 5 stars review

comfy

very comfortable

Review from Serta

Helpful?

Jul 25, 2026

Joseph T

4 out of 5 stars

4 out of 5 stars review

Very comfortable mattress

Nice supportive mattress

Review from Serta

Helpful?

Feb 4, 2026

Christian Q

5 out of 5 stars

5 out of 5 stars review

Great Product

Comfy and exactly what we were looking for!

Review from Serta

Helpful?

Jan 23, 2026

Paul W

5 out of 5 stars

5 out of 5 stars review

Adjustable bed

It feels so good to wake up refreshed!

Review from Serta

Helpful?

Jan 25, 2026

Linda S

5 out of 5 stars

5 out of 5 stars review

Perfect Sleeper

So so good! Very comfy and cozy and great for my back!

Review from Serta

Helpful?

Apr 14, 2026

Bill H

5 out of 5 stars

5 out of 5 stars review

Knox firm

A few days in. So far so good. Needed firm mattress. Waking up without pain

Review from Serta

Helpful?

Jan 24, 2026

Riley C

5 out of 5 stars

5 out of 5 stars review

Perfect Balance

Perfect balance of plush with firm that fits both of us!

Review from Serta

Helpful?

Mar 27, 2026

Trent W

5 out of 5 stars

5 out of 5 stars review

Nice mattress

Firm but not extra firm with some top foam. It's nice!

Review from Serta

Helpful?

Feb 7, 2026

James R

4 out of 5 stars

4 out of 5 stars review

Firm

Looking forward to sleeping on a flat surface.

Review from Serta

Helpful?

Feb 20, 2026

Stan A

4 out of 5 stars

4 out of 5 stars review

Great mattress

Very firm mattress. Helps with my back pain

Review from Serta

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