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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
264 ratings264 reviews
  1. 5 stars79% (208)
  2. 4 stars15% (40)
  3. 3 stars3% (9)
  4. 2 stars1% (2)
  5. 1 star2% (5)
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Showing 91-100 of 264 reviews
Sep 12, 2024
Reviewer name: bluestar7589
5 out of 5 stars
5 out of 5 stars review

Great for the price

[This review was collected as part of a promotion.] I recently got the Perfect Sleeper Quilted Hybrid 24 Knox FM TT Queen size mattress, and it's been a game changer for my sleep. The hybrid design offers the perfect balance of support and comfort. The firm feel is ideal for my back, yet the quilted top adds a layer of softness that makes it very cozy. I wake up without any aches, and I notice an improvement in my overall sleep quality. It’s also well-made and feels durable. Overall, a fantastic mattress that delivers both comfort and support for a restful night's sleep!

Review from Serta
Helpful?5QG9W3640AJR15231853527
Oct 19, 2024
Reviewer name: cai313
5 out of 5 stars
5 out of 5 stars review

Good Mattress

[This review was collected as part of a promotion.] This bed is comfortable and not too big or small. It's not lumpy or flat. I get really good sleep with this mattress. It holds its shape, even when it's adjusting to my body. It's has a nice pattern on it and it doesn't leave me feeling too hot or cold.

Review from Serta
Helpful?5QG9W3640AJR15231853527
Sep 28, 2024
Reviewer name: victoriar367
5 out of 5 stars
5 out of 5 stars review

Comfortable

[This review was collected as part of a promotion.] ABSOLUTELY AMAZING! I can't believe I received a mattress, an extremely comfortable one at that! It adds so much to the room. The height is great & completes the room. The design on the mattress is very intricate. Good support, durability, and comfort. It's soft yet firm. Love this mattress!

Review from Serta
Helpful?5QG9W3640AJR15231853527
Mar 9, 2025
Reviewer name: Michelle S
5 out of 5 stars
5 out of 5 stars review

Fantastic support!

This mattress is so comfortable! Perfect amount of softness on the top to support my curves with great firm support beneath. I am just giddy to climb into bed each night. I don't know why I didn't buy a new mattress sooner. I had no idea what I was missing!

Review from Serta
Helpful?5QG9W3640AJR15231853527
Sep 27, 2024
Reviewer name: rebandwrath
5 out of 5 stars
5 out of 5 stars review

Perfect

[This review was collected as part of a promotion.] The most comfortable bed I have ever slept on in my life. It’s cooling too so it’s perfect for the summer when it’s too hot to sleep. Breathes easy and supports my body weight and heavy dogs with me.

Review from Serta
Helpful?5QG9W3640AJR15231853527
Sep 16, 2024
Reviewer name: bradh19
5 out of 5 stars
5 out of 5 stars review

Great support and breathability

[This review was collected as part of a promotion.] This is an absolutely comfortable bed. Didn't know how our old bed was wore out until we felt the support this bed provides. We seem to sleep cool and it breathes well. Great packaging and should last a long time.

Review from Serta
Helpful?5QG9W3640AJR15231853527
Feb 23, 2025
Reviewer name: Mattori
1 out of 5 stars
1 out of 5 stars review

Bad quality

I just started sleeping on this mattress and it has a horrible bubble in the middle. This is the cool calming queen mattress. It's a replacement for a different mattress from serta and it only lasted 6 months before the sides started caving in. I will never buy a serta mattress again.

Review from Serta
Helpful?5QG9W3640AJR15231853527
Sep 3, 2024
Reviewer name: elenag92
5 out of 5 stars
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 Serta
Helpful?5QG9W3640AJR15231853527
Oct 22, 2024
Reviewer name: photoginthewild
5 out of 5 stars
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 Serta
Helpful?5QG9W3640AJR15231853527
Sep 15, 2024
Reviewer name: ad116
5 out of 5 stars
5 out of 5 stars review

Great night sleep on this firm, pleasant cooling effect, high quality material and beautiful design pattern

[This review was collected as part of a promotion.] Great mattress! I was very excited to finally get a new mattress and I had such a great night of sleep after sleeping on this Serta one. My previous mattress was softer, and I had been waking up with some back pain, but this mattress is firm and helps a lot with my back and hips not sinking in as I sleep. It has a pleasant cooling effect so I didn’t feel overheated at night, and I love that it’s thicker as I like to sleep higher up off the ground since I am tall. It was such a shame to have to cover up the mattress with my bedding as I loved the design and dark blue and white color patterns. It also has helpful handles on the side so you can adjust it as needed on your bedframe. It’s on the heavier side, but most of my mattresses in the past have been heavy as well so I didn’t mind that. I prefer a heavier mattress, so it feels more sturdy when I am on the bed. I would definitely recommend this to anyone looking for a firmer high quality mattress!  

Review from Serta
Helpful?5QG9W3640AJR15231853527