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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 121-130 of 229 reviews
Sep 3, 2024
elenag92
5 out of 5 stars review

It offers everything I need

[This review was collected as part of a promotion.] This mattress strikes the perfect balance between firmness and softness. The hybrid design combines the support of coils with the plush comfort of memory foam. It’s firm enough to provide excellent support for my back, which is crucial after long days of household chores, yet soft enough to feel like I’m sinking into a cloud every night. One of my biggest concerns with mattresses has always been overheating during the night, but the Perfect Sleeper has really impressed me. The quilted top layer seems to do a great job of regulating temperature, keeping me cool. The build quality of this mattress is outstanding. It feels sturdy and well-made, and after several weeks of use, there’s no sign of sagging or wear. I believe this mattress will last for many years, which is a relief because I definitely don’t want to go through the hassle of mattress shopping again anytime soon! One unexpected bonus is the excellent edge support. I can sit on the edge of the bed without feeling like I’m going to slide off, which is great for those moments when I need to slip out of bed quietly without waking anyone else. Overall, it has been a wonderful addition to our home. It offers everything I need in a mattress: comfort, support, durability, and a cool sleeping experience

Review from influenster.com
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Oct 22, 2024
photoginthewild
5 out of 5 stars review

Sleep Cool and Comfortable

[This review was collected as part of a promotion.] I have spent a full month sleeping on this mattress. I love it! I am a bit of a princess and a pea when it comes to mattresses. Most importantly for me, I am a woman who wakes up hot in the middle of the night. Not sweaty but just hot, not in a snuggly way but an uncomfortable way. I have not had that issue at all with this mattress. It conforms and cradles your curves if you are a side sleeper and it is a very tall mattress which I like. For reference, my previous mattress was a tempurpedic so I was worried about it being too soft but while the top is thick and plus, it has plenty of support. Very pleased with this mattress!

Review from influenster.com
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Sep 14, 2025
Sherry S
5 out of 5 stars review

Best sleep ever!

Very comfortable and supportive! Woke up after the first nights sleep with no up pain!!

Review from Serta
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Aug 3, 2025
Jason S
5 out of 5 stars review

Plush

Mattress is plush and comfy. And a great fabric coloration.

Review from Serta
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Aug 12, 2025
Laura P
5 out of 5 stars review

One good nights sleep !!!

Super nice mattress, nice and firm. I totally appreciate it. I made the right choice.

Review from Serta
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Jun 4, 2025
Benjamin M
5 out of 5 stars review

Perfect mattress

Comfortable, firm but not overly firm, and just right!

Review from Serta
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Sep 18, 2025
Betsy C
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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Jul 14, 2025
Crystal B
4 out of 5 stars review

Love it

I like firm beds. This is just what I needed. Comfortable.

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

Comfortable Sleep

Very firm. Looking forward to comfortable sleep.

Review from Serta
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Aug 8, 2025
Deborah F
5 out of 5 stars review

Serta Knox Firm Mattress

This mattress is very firm & comfortable mattress.

Review from Serta
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