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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 81-90 of 249 reviews
Sep 8, 2024
girlchickbetty
5 out of 5 stars
5 out of 5 stars review

Supportive and so comfortable

[This review was collected as part of a promotion.] This is the most comfortable mattress that I've ever owned! I've bought all sorts of toppers in the past to try to make our old mattresses more comfortable but this one has been amazing straight from the box! It didn't need to air out and had zero off gassing smells. I usually feel unsupported on my lower back but this pillow top really fills out your curves and supports everywhere. The floral design is very cute, I do worry that it might pill but haven't had any issues yet.

Review from Serta
Helpful?1L02F9H4SZMK15241662248
Aug 23, 2024
jenn68
5 out of 5 stars
5 out of 5 stars review

Super comfy

[This review was collected as part of a promotion.] I couldn’t be happier with it! From the moment I unboxed it, I could tell it was a high-quality mattress. The hybrid design combines the best of both worlds with a comfortable foam layer and supportive innerspring coils, making it incredibly cozy yet supportive. The medium-firm feel is perfect – it strikes just the right balance between softness and support, making it ideal for a restful night’s sleep.

Review from Serta
Helpful?1L02F9H4SZMK15241662248
Feb 12, 2025
Guillermo Z
5 out of 5 stars
5 out of 5 stars review

Best Sleep Ever

We got a new mattress and after much deliberation, went with a Serta. We have no more back or hip pain when we wake up in the morning, it has great support, and I haven’t slept this great in years. Another thing that impressed me was the attention to aesthetics; the embroidered flowers on the mattress top are lovely. Thank you Serta!

Review from Serta
Helpful?1L02F9H4SZMK15241662248
Oct 13, 2024
abhilashp
5 out of 5 stars
5 out of 5 stars review

Perfect Hybrid Mattress

[This review was collected as part of a promotion.] This Serta mattress has a beautiful design pattern. It provides proper support no matter if I sleep on my back or on sides. The mattress actually has firmness that I was expecting, other mattresses I’ve used in the past deforms memory foam overtime with weight. Hybrid technology indeed brings best of spring and memory foam mattress together.

Review from Serta
Helpful?1L02F9H4SZMK15241662248
Sep 12, 2024
jordanjd
5 out of 5 stars
5 out of 5 stars review

Better sleep and comforting! Great for my back.

[This review was collected as part of a promotion.] This mattress has been a huge help to the quality of sleep that my wife & I get. Before we had a firm memory foam mattress & it was causing some morning discomfort for both of us. After receiving this mattress it took a week or so to break it in but we have both been sleeping so much better & having little to no discomfort in the mornings. I will say it’s a bit too stiff to sleep on your side with but other than that it’s a great mattress overall. Great material & quality which makes me hopeful it’ll last many years.

Review from Serta
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Feb 23, 2025
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
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May 20, 2025
Susan T
5 out of 5 stars
5 out of 5 stars review

The best sleep in years

I had my other mattress for 15 years, and it was great until the last week. I knew I had to replace it. I went to Mattress Peddler as I had been there when friends mattress shopping and was impressed with the professionalism and kindness of the owner. I love the mattress I purchased. Just the right firmness. I am so happy

Review from Serta
Helpful?1L02F9H4SZMK15241662248
Nov 19, 2024
issacl1_336065
5 out of 5 stars
5 out of 5 stars review

Sturdy, yet soft like a pillow.

[This review was collected as part of a promotion.] The bed is incredibly comfortable. The top is soft like a pillow, but the whole mattress feels firm. The pattern on it is cool but doesn't really add anything to the performance of it. This is a perfect choice for back sleepers or those who sleep on their stomach. Amazing product with an amazing quality feel to it.

Review from Serta
Helpful?1L02F9H4SZMK15241662248
Sep 23, 2024
sarahhhwhite_
5 out of 5 stars
5 out of 5 stars review

Best Night’s Sleep

[This review was collected as part of a promotion.] I was so excited to receive this mattress! This is the most comfortable bed that I have slept on. Everything from the cooling technology to the perfect balance of firmness to plush. I’ve never had any discomfort from sleeping and I am a side sleeper. I would recommend this mattress to anyone in the market for something new that has great cooling technology and molds perfectly to make a great nights sleep!

Review from Serta
Helpful?1L02F9H4SZMK15241662248
Sep 7, 2024
nestaziak
5 out of 5 stars
5 out of 5 stars review

Best sleep I’ve had in a long time!

[This review was collected as part of a promotion.] This mattress is amazing! I didn’t know how badly I needed a new mattress until I received this one. I had the best nights sleep ever, I woke up feeling refreshed and ready to go for my day! The mattress itself is so comfortable and has just the right amount of firmness. I also like the quilted material of the mattress and the height of it. It is definitely worth the price and I am so happy to have it.

Review from Serta
Helpful?1L02F9H4SZMK15241662248