Cocoon Chill Hybrid Mattress Review

We purchased the Cocoon Chill Hybrid Mattress so our reviewer could put it to the test in her home. Keep reading for our full product review.

A mattress is a purchase that will affect your sleep for seven to eight years (at the very least). While that alone makes purchasing a mattress important, they’re usually a substantial financial investment. I tested the Cocoon Chill Hybrid Mattress by Sealy, a bed-in-a-box option, to see if it lived up to its cooling and comfort promises. And its cooling bliss doesn’t disappoint.

If you look at what you need from a mattress, support tops the list. Mattresses support your body for seven to eight hours a day. Some people sleep on their stomachs, others on their back, and others on their sides. Most of us change sleeping positions throughout the night. No matter your sleep style, the mattress should relieve pressure at high-pressure points like the hips and shoulders while keeping the spine in a neutral position.

The Cocoon Chill strikes an excellent balance between the contouring of foam with the support and cooling of coils.

This bed-in-a-box hybrid mattress combines the support of innerspring with the contouring of memory foam. Hybrids walk the line between an all-foam mattress and an innerspring model. 

This mattress is my fourth bed-in-a-box mattress, and I love this delivery method. Until you’ve gone down the highway with a mattress propped in the back of a pickup truck, hoping the wind doesn’t pick it up like a sail, you might not appreciate the beauty of having the mattress delivered to your home in a box. The delivery company leaves it on your doorstep. You can unbox it in the room where you will use it, which is so much easier than carrying a mattress through the house. 

I dragged the box inside with the help of my husband from the front porch. The 16.5 x 16 x 44.75-inch box weighs about 55 to 60 pounds. The (Twin) mattress only weighs 53, which isn’t that bad for a mattress.

The Spruce / Stacey L. Nash

Bed-in-a-box mattresses are vacuum-sealed and shrink-wrapped to fit into a box. The Cocoon Chill’s directions said not to let it sit for more than two weeks. It sat for about two days before we opened it.

The mattress slides out of the box and looks like a Swiss roll. It has an outer plastic layer that you pull to unroll the mattress. It’s not hard but give yourself room. Then, cut open the vacuum-sealed bag encasing the mattress. It pops out startlingly fast. It was about 10 inches deep when I first opened it. It took a couple of hours to reach its full 12-inch depth. 

The Spruce / Stacey L. Nash

One of the reasons I was excited about this mattress is its cooling factor. Many of today’s mattresses feature many layers of foam. Foam is comfortable, but it also traps heat. I’m one of those people who sleep warm. I open the window in the middle of winter; that’s how warm. I hoped this mattress would sleep cool because it was for one of my children, a warm sleeper like me. 

My first impression—whoa. I opened my hand and pressed it into the top of a new mattress. When Sealy says the mattress cover’s surface is cool to the touch, they’re not joking. The fabric is infused with phase change materials (PCM) that absorb heat, pulling it away from the body as you fall asleep. It slowly releases heat throughout the night to help regulate your body temperature.

The Spruce / Stacey L. Nash

Next are the two memory foam layers. When I first laid on this mattress, I loved how these layers felt. I’m a sensitive side sleeper who easily awakens from hip and shoulder pain. I’ve used three-inch memory foam pads on top of a mattress to provide more cushioning and contouring in the past. However, memory foam can have a slow response time that doesn’t return to its original shape quickly. While sleeping, you can get stuck in the impression of your own body. 

Memory foam tends to trap body heat. For a warm sleeper like me, that’s a no-go. The Cocoon Chill’s memory foams contoured to my body without closely conforming to it. I didn’t sink into this mattress; instead, it felt more like a gentle hug. 

Underneath the memory foam lies the pocketed coil support layer or innersprings individually wrapped in fabric. Because the coils aren’t interconnected, they move independently, reducing the overall movement of the mattress. When I was sleeping, the mattress acted more like a firmer all-foam model than a typical innerspring. It didn’t bounce, squeak, or creak. 

The combination of memory foam with coils prevented me from getting “stuck” in the memory foam. I could feel the memory foam contouring to my body, but when I moved, the foam shifted back into place so quickly that I didn’t notice it. It was awesome I didn’t get stuck in a memory foam topper.

The Spruce / Stacey L. Nash

As a predominantly side sleeper, I need a mattress that will contour to my side without putting too much pressure on my shoulders or hips. My regular mattress is an all-foam, Tuft & Needle Mint, which I love. The first few nights that I woke up on the Cocoon Chill, my shoulder ached a little. Sealy says it can take up to 30 days for your body to adapt to a new mattress, so I wouldn’t say that this mattress doesn’t have the necessary cushioning or contouring for side sleepers. However, it might take a few more weeks to adapt to the slightly firmer feel of the contouring, especially if you’re used to an all-foam model. 

The Cocoon Chill has a slightly firmer feel than an all-foam mattress. I’ve also tested a Purple Original and Leesa, which are both all-foam mattresses too. The Cocoon Chill felt slightly firmer than all of these mattresses. Sealy ranks it as a 6 out of 10 on their firmness scale, putting it in the medium-firm category. It felt like an accurate categorization.

I didn’t sink into this mattress; instead, it felt more like a gentle hug. 

I’m also a stomach sleeper, and the Cocoon Chill performed wonderfully when I slept on my stomach. It supported my hips, so they didn’t sink too far into the mattress and make my lower back ache. I’ve had back issues for that reason when using a memory foam mattress topper in the past.

I wasn’t the only one who tested the Cocoon Chill. My husband, a side and back sleeper, and daughter, a predominantly side sleeper, tested it too. My husband reported a slightly achy shoulder. However, he is also accustomed to the Mint. My daughter, who’s been sleeping on an innerspring mattress, loved it and reported no pain whatsoever.   

The coil support system also features extra support at the edges. Have you ever sat on the edge of the bed and almost slid off because of nonexistent edge support? It’s frustrating. The coils at the edge of the Cocoon Chill are firmer than in the center, preventing accidental sliding off. I could sit on the edge and put on socks without worrying about taking a tumble. 

The Spruce / Stacey L. Nash

The mattress’s cooling factor coils allow air (and heat) to circulate through the mattress, making them an excellent option for people who overheat. The Cocoon Chill strikes an ideal balance between contouring foam with the support and cooling of coils. The cooling cover, which contains PCMs, makes a big difference, too. The PCM absorbs heat, pulling it from the body. I was deliciously cool every night. 

I did not overheat on this, my first hybrid mattress. Neither did my daughter. I was thoroughly impressed with the combination of contouring, support, and breathability. Any mattress that can keep me comfortable and cool gets a big thumbs up from me. 

Sealy also threw in a new set of DreamFit Sheets and two DreamFit pillows. I wasn’t reviewing either one, but I loved the two-sided pillows. One side contains foam clusters, and the other has polyester fiber. It’s a two-for-one comfy pillow. The sheets were comfortable and high-quality, too. 

Frequently Asked Questions

Does the Cocoon Chill Hybrid Mattress have an odor? 

Almost every mattress has some odor when it’s first opened. The Cocoon Chill had a slight chemical odor right out of the packaging. It wasn’t bad and took a few days to air out. 

Did it take long for your body to adjust to the mattress?

Most mattress manufacturers recommend giving your body 30 days to adapt to a new mattress. Having tested many mattresses myself, I agree that it takes time for your body to adapt to something you’re not used to. 

It took me about a week to adapt to the Cocoon Chill. I was used to a slightly softer mattress. My daughter, who’d been sleeping on an innerspring mattress generally firmer than foam or hybrids, adjusted immediately. She’d had experienced back pain due to the condition of her old mattress. The Cocoon Chill was a welcome upgrade. 

Is the mattress easy to move?

You’re supposed to open bed-in-a-box mattresses on the foundation where you’ll use them. Most mattresses like the Cocoon Chill don’t have handles on the cover. Although, every mattress should, especially when you have to move the mattress. The Cocoon Chill was much easier to move than the all-foam mattresses I’ve tested. The coils provided some stability, whereas all-foam mattresses tend to fold over on themselves. Handles on the cover would have been helpful, but overall, it wasn’t too bad to move.

Does the mattress have a warranty and sleep trial?

Pay attention to mattress warranties and sleep trials. They can offer extra value to your investment. The Cocoon Chill comes with a 10-year warranty and a 100-night sleep trial. During the trial period, you can return it. You will be able to tell whether or not the Cocoon Chill is for you within 100 days of sleeping on it. 

Is this mattress worth the price?

With mattresses, you often pay for what you get. The Cocoon Chill is an excellent option for couples who have different mattress preferences (one loves foam, the other loves coils) and sleepers who easily overheat. Pricewise, it’s at the higher end of the mid-range. You’re paying a little extra for the quality and cooling technology. But good (cool) sleep might be worth a little extra cost. 

Cocoon Chill Hybrid Mattress by Sealy vs. Saatva Classic Mattress

These two mattresses fall in the same price category and are both considered hybrids. However, design differences could change who finds each one the most comfortable. The Saatva Classic has a three-inch pillow top as the comfort layer, followed by a coil-on-coil design. 

A layer of mini coils lies atop a layer of larger support coils. The Saatva also features extra back support through the lumbar region. Saatva offers the mattress in a plush soft, luxury firm (the category closest to the Cocoon Chill) and a firm option. Saatva includes a 15-year warranty and a 180-night home trial, besting Sealy by five years on the warranty and 80 days on the sleep trial. 

The choice between the two comes down to what you prefer. The pillow top feels more like cushioning rather than the contouring of the memory foam. The Saatva specifically targets back support with its coil-on-coil design. However, the Saatva isn’t explicitly designed with cooling technology.

If I were someone who struggled with back pain and preferred a cushioned top, I’d probably go with the Saatva. Saatva also gets bonus points for a better warranty and home trial. However, as a hot sleeper, I lean toward the Cocoon Chill’s combination of cooling features. If you like a mattress that contours to your shape as you move, the Cocoon Chill might be more up your alley. 

Final Verdict

Yes, sign me up. 

It cooled. It contoured. It supported at the edges. There were so many things to like about the Cocoon Chill Hybrid Mattress. I would get it again for the cooling factors alone.

Disclaimer: Curated and re-published here. We do not claim anything as we translated and re-published using google translator. All images and Tattoo Design ideas shared only for information purpose.

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