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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
250 ratings250 reviews
  1. 5 stars79% (198)
  2. 4 stars15% (38)
  3. 3 stars3% (7)
  4. 2 stars1% (2)
  5. 1 star2% (5)

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Showing 81-90 of 250 reviews
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
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Sep 8, 2024
Reviewer name: 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
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Oct 13, 2024
Reviewer name: 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
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Nov 19, 2024
Reviewer name: 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
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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
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Aug 23, 2024
Reviewer name: 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
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Sep 26, 2024
Reviewer name: joelleli
5 out of 5 stars
5 out of 5 stars review

My son loves it

[This review was collected as part of a promotion.] We put this serta mattress in my son's room and he loves sleeping in it. It's really comfortable for us as well for those nights he wants us sleeping with him. My husband and I don't wake with any back pain like we did with his old mattress. 10/10 would recommend

Review from Serta
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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
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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
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Sep 21, 2024
Reviewer name: dennyl1
5 out of 5 stars
5 out of 5 stars review

Cooling technology

[This review was collected as part of a promotion.] After a month of sleeping on the **Serta Perfect Sleeper Quilted Hybrid 24 Knox Plush Tight Top (Queen)**, here are some impressions I have: ### Comfort and Support: - **Plush Feel with Firm Support**: The plush top provides a soft, welcoming surface, while the underlying firm support ensures proper spinal alignment. This combination is ideal for back and stomach sleepers who need solid support but still enjoy a softer surface for comfort - **Pressure Relief**: The memory foam and gel layers do a good job of relieving pressure from key areas such as the shoulders, hips, and lower back, which is particularly helpful if you're prone to waking up with aches ### Cooling Features: - **Cooling Tech**: One of the standout features is the **Cool Twist Gel Foam** and **graphite-infused memory foam**. These layers work well to dissipate body heat, keeping the mattress relatively cool even on warm nights. If you're a hot sleeper, you may notice an improvement in temperature regulation ### Motion Isolation: - **Minimized Partner Disturbance**: The mattress's coil and foam construction does a great job of isolating motion, so if you share your bed with someone, you’re less likely to be disturbed by their movements during the night ### Adjustability and Durability: - **Early Durability Observations**: After a month, the mattress should still feel as firm and supportive as when it was first purchased. The **edge support** is strong, preventing sagging when sitting or lying near the edges. Additionally, it’s compatible with adjustable bases, which adds flexibility for various sleeping positions ### Potential Downsides: - **Plush Might Be Too Soft for Some**: Although the plush top feels luxurious, some users might find it a bit too soft, especially if they prefer firmer surfaces or are heavier individuals, as they might experience more sinkage than they prefer Overall, after a month, this mattress should still feel new, with excellent support and comfort, making it a solid choice for those who value pressure relief, motion isolation, and cooling technology.

Review from Serta
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