Cocoon by Sealy Chill vs Nectar Mattress: which affordable memory foam mattress should you buy?

If you're mattress shopping on a budget, you need a bed that can deliver a lot of bang for its buck. The Nectar Classic Memory Foam and the Cocoon by Sealy Chill mattress are all-foam beds that earned plenty of praise from our testing team and come in at under $700 for a queen. But which is right for you?

We think the Nectar Classic and the Cocoon Chill rate among the best memory foam mattresses you can buy online. Both offer a medium-firm feel, impressive motion isolation and decent temperature control. Although as only one of them earned the title of "one of the most consistently cool mattresses we've slept on," cooling might be the deciding factor here.

We've tested all kinds of beds to find the best mattresses you can buy online and in this guide we'll be using our hands-on experience to help you decide between the Cocoon by Sealy Chill vs Nectar Classic Memory Foam Mattress.

Nectar Classic vs Cocoon by Sealy Chill mattress: Price & deals

• Both mattresses have lower mid-range prices in year-round sales
• Nectar is cheaper but the Cocoon Chill comes with free bedding
• Nectar has better benefits; a full year's trial and forever warranty

The Nectar is the cheaper of the two beds but not by much. In the sale — and both brands run year-round mattress sales — you can expect to pay $649 for a queen Nectar Classic Memory Foam, with prices starting at $349. In comparison, the Cocoon by Sealy Chill starts at $399, with a queen at $699.

While the Nectar costs less overall, the Cocoon does have a trick up its sleeve — or beneath its sheets. Sealy Chill offers a free bedding bundle with the Cocoon mattress, featuring pillows, sheets and a mattress protector.

We consider both beds to be good value, especially as they're among the best mattresses in a box we've tested. But if you're looking for a cheaper alternative, check out our Cocoon Chill vs Siena Signature mattress showdown.

The Cocoon by Sealy Chill mattress sale is as predictable as clockwork and we rarely spot variations, even over the major holidays (so yes, go ahead and ignore that countdown in the corner.)

Nectar mattress sales are also pretty straightforward, although we have spotted flash sales in recent months. These tend to occur around (but not necessarily during) major holidays and range from $100 off select sizes to 15% off the entire mattress line-up.

Of the two, Nectar has the better extras, with a 365-night sleep trial and a limited lifetime warranty. Although the Cocoon Chill's benefits aren't as good — a 100-night trial and 10-year warranty — they're the industry standard.

Cocoon by Sealy Chill Mattress: twin $399 at Cocoon by Sealy
Cocoon by Sealy is always offering 35% off and a free bedding bundle so this sale is nothing new. Still, the final price is enticing and you can shop now without worrying you're missing out on a better deal. We occasionally see old models pop up with a hefty discount in the Walmart mattress store but you'll have to act fast to score these savings.

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Nectar Classic Memory Foam Mattress: twin $348 at Nectar
The Nectar Classic Memory Foam Mattress is impressive value for money in the year-round sale, with a queen typically costing $649. And although Nectar doesn't include the free sleep bundle offered by Sealy, you can add a bedding set for as little as $129. Nectar mattresses are also sold via Amazon but they tend to follow the same pricing structure as the main Nectar site.

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Nectar Classic vs Cocoon by Sealy Chill mattress: Materials & design

• Both are all-foam mattresses with multiple layers of foam
• The Cocoon is 10" tall, the Nectar Classic Memory Foam is 12"
• Both are also available with hybrid upgrades

The interior of the Cocoon by Sealy Chill has a relatively simple structure, featuring just two layers of foam. In comparison, some luxury all-foam beds, such as the GhostBed Luxe Mattress, can have more than five foam layers.

However, simplicity isn't necessarily a bad thing and the Cocoon Chill balances comfort with support by pairing an upper layer of responsive gel memory foam with a thick base layer of durable support foam.

But the stand-out feature of the Cocoon by Sealy Chill mattress is its PCM-infused cover. PCM — Phase Change Material — is a heat-wicking fabric that contributes to the cooling properties of the Cocoon Chill. (We'll cover its effectiveness in more detail below.)

The Nectar Classic Memory Foam Mattress has three internal foam layers, plus a breathable cover. Like the Cocoon Chill, the base consists of a dense stability foam. A responsive support foam layer sits on top of this, followed by a layer of gel-infused memory foam, designed to aid pressure relief.

At 12" high the Nectar Classic is slightly taller than the Cocoon by Sealy Chill, but we consider them both to be a suitable mattress thickness for adults.

If you prefer a bed with a bit of bounce, both mattresses are also available as hybrids, switching the base foam support of a layer of springs. The best hybrid mattresses tend to have better breathability and a more responsive feel than their foam counterparts.

Nectar Classic vs Cocoon by Sealy Chill mattress: Comfort & support

• Both are medium-firm mattresses and suit most sleep positions
• They lack a memory foam 'hug' but the Nectar has more contouring
• Both are top-notch at motion isolation

Although both the Nectar Classic and the Cocoon by Sealy Chill are all-foam mattresses, neither of them have the classic foam feel, often described as a 'hug'. Instead, these are mattresses you lie on top of, delivering light body contouring to offset pressure build-up.

Our testers described them both as 'medium-firm', with the Nectar Classic Memory Foam sitting slightly higher on the mattress firmness scale at 7.5 to the Chill's 6.5 (with one indicating soft and 10 hard.) This firmness is known as a crowd pleaser and we expect both beds to suit most sleep positions.

In our Cocoon by Sealy Chill Mattress review team, the side sleepers were most impressed with the bed, finding the pressure relief to be "soothing" (that means fewer aches and pains.)

Back sleepers should also feel comfortable on the Cocoon Chill but stomach sleepers might want to upgrade to the superior support of the hybrid model.

It's a similar story in our Nectar Classic Memory Foam Mattress review, with the side sleepers the loudest to "rave" about the comfort. We also found the tall build has a touch of "luxury", something that's missing from the thinner Chill.

While we were pleased with the full-body support of the Cocoon Chill, we did find it weaker at the sides. Edge support is often lacking in all foam beds but this is an issue the Classic side steps — opt for the Nectar if you need to push against the mattress to get out of bed in the morning.

But one area in which both beds excel is motion isolation. The foam layers trap movement, meaning even if your partner tosses and turns all night long, their restless sleep shouldn't wake you up.

Nectar Classic vs Cocoon by Sealy Chill mattress: Temperature control

• The Cocoon Chill provides superior cooling thanks to its PCM cover
• The Nectar maintains a neutral feel
• Both are available in hybrid versions, which should improve airflow

Memory foam mattresses, particularly cheaper memory foam mattresses, have a reputation for trapping heat, so prior to our tests we were predicting both the Nectar Classic and the Cocoon by Sealy would sleep warm. And, we're pleased to say, we were wrong.

The Cocoon by Sealy Chill has the superior temperature control, which is no surprise — it's designed as a cooling mattress. Our review team described it as "consistently cool" and our lead tester found it maintained this chill feel all night. We think it's among the best cooling mattresses we've tried.

This is partly thanks to the PCM cover, which aids in the absorption and dissipation of heat. The gel-infused foam also helps keep temperatures down, as does the firmer feel, which prevents heat getting trapped in a 'hug.'

The Nectar Classic has decent temperature control, even if it's not as powerful as the Cocoon Chill. But for the average sleeper, it should retain a neutral feel.

Nectar Classic vs Cocoon by Sealy Chill: Which should you buy?

Buy the Nectar Classic Memory Foam mattress if…

✅ You like to sit on the side of the bed: The Nectar Classic has the stronger edge support of the two mattresses, making it easier to sit on the side and sleep right at the edge of the bed. This also benefits those with reduced mobility, who might need to push up off the bed in the morning.

✅ You want a touch of luxury on a budget: With an extra two inches of height and another layer of foam, the Nectar Classic feels a little more indulgent than the Cocoon Chill.

✅ You need plenty of time to test the bed: Nectar's 365-night trial gives you ample opportunity try out the Nectar Classic at home. Not sure how much cooling you need? You can sleep on the Nectar in every season before you have to make a decision.

Buy the Cocoon by Sealy Chill mattress if…

✅ You’re a hot sleeper: The combination of Phase Change Material and gel foam helps the Cocoon by Sealy Chill absorb and remove heat, so you can stay cool even on hot nights.

✅ You need a full bed refresh: When it comes to price, it's hard to separate the Nectar and the Cocoon Chill. But if you plan on making some extra purchases with your mattress — like a pillow and sheets — the Cocoon's free bedding bundle has you covered.

✅ You want a mattress you lie on top of: An extra layer of foam gives the Nectar Classic a touch of a 'sink-in' feel, so choose the Cocoon by Sealy Chill if you prefer the even support that comes from lying on top of the mattress.