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No more flipping to the cool side.

A person’s head laying on a Himoon Cooling Pillow on a bed

Photo:Real Simple

However, different cooling pillows do this by different meanssome more successfully than others.

Sleep soundly with one of our favorites below.

There was a slight odor when we first opened it, but it went away.

Coop Sleep Goods The Eden Pillow

PHOTO: Coop Sleep Goods

The Eden Pillow performed flawlessly across the board throughout all six months of testing.

We even found that the pillows cooling sensation could be felt through the pillowcase.

Plus, its entirely machine washable.

Himoon Cooling Pillows

PHOTO: Amazon

There was a slight odor upon first opening it, but thats about the only negative we could find.

The comfort, adjustability, and cooling ability went unmatched, and that’s why it’s our favorite.

Stomach sleepers found it a bit too lofty.

Person sleeping on a Himoon Cooling Pillow on a bed

PHOTO: Real Simple

Despite being a down-alternative pillow, it didnt lose much of its loft over six months of use.

Back and combination sleepers really liked this one since it could be flattened and fluffed as needed.

Stomach sleepers, however, did find it a bit too lofty.

Himoon Cooling Pillow displayed on top of green sheets

It was challenging to clean and take in and out of its protector.

This durablelatex pillowwas designed for back and side sleepers.

This is a great choice for those seeking a more sustainable option.

Closeup of the seam on the Himoon Cooling Pillow

The latex core is GOLS-certified organic, and the organic cotton casings are made using eco-friendly farming methods.

Turmerry also plants a tree with every purchase.

It’s pricey and a bit heavy.

Person sleeping on a Himoon Cooling Pillow on a bed

This pillow was a game changer for our warm weather sleep routine.

Its impressively supportive, so it’s suitable for most sleeping positions.

Plus, the zip-off, machine-washable cover is convenient and easy to clean.

Himoon Cooling Pillow displayed on top of green sheets

The pile height decreased slightly after a few weeks of use.

Stomach sleepers loved the Sleep Number Classic True Temp Pillow because it was soft on the neck and head.

The cover and fiber fill are machine washable too, so they can be refreshed as needed.

Closeup of the seam on the Himoon Cooling Pillow

Throughout all six months, the pillow was cool to the touch and breathable.

We never woke up hot or felt the need to flip it to the other side.

Keep in mind that we tested the classic model, which is best for stomach and back sleepers.

Turmerry Molded Solid Latex Pillow

PHOTO: Turmerry

All feature the same cooling technology.

It didn’t come with a sleep trial.

This is Tempur-Pedics most popular pillow, and it certainly lived up to the hype in our testing.

Person sleeping on a Turmerry Molded Solid Latex Pillow with a grey pillowcase

We found the pillow to be flatter and firmer than other options.PHOTO: Real Simple

The manufacturer says its designed for back and stomach sleepers.

Although memory foam is not machine washable, the polyester knit cover is fully removable and machine washable.

The pillow can also easily compress and roll up for on-the-go use or easy storage.

Hands folding the Turmerry Molded Solid Latex Pillow inwards on a table

This is a breathable pillow thats soft and plush while providing enough support for back and stomach sleepers.

But it does come with a five-year warranty.

Latex pillows are known for their bounce backthe Purple Harmony Pillow is no exception.

Hands pulling the cover from the Turmerry Molded Solid Latex Pillow on a bed

The pillow did an excellent job maintaining its shape and always sprang back to life when we sat up.

It flattened a bit with consecutive use but returned to normal after washing.

We could tell this pillow was high quality just by looking at it.

Person removes cover from the Turmerry Molded Solid Latex Pillow on a table

During testing, we didn’t find the pillow to be warm or suffocating at all.

It promoted airflow and kept us comfortably cool throughout the night.

We also loved that it was machine washable and could go through the dryer.

Hand pressing into the Turmerry Molded Solid Latex Pillow

After three months, we had no complaints.

It still molded to our head perfectly, providing support while remaining comfortably soft.

It wasn’t as supportive as other options.

Person sleeping on a Turmerry Molded Solid Latex Pillow with a grey pillowcase

After six months of use, the pillow is still as cool as it was on day one.

you’re free to choose between two different firmness levels based on your preferences: soft/medium and medium/firm.

It was heavy and a little difficult to reposition.

Hands folding the Turmerry Molded Solid Latex Pillow inwards on a table

When lying on this pillow, it constantly felt as though we were sleeping on the cool side.

We could even feel the coolness through our pillowcase.

Upon first use, we were shocked by how heavy this pillow was.

Hands pulling the cover from the Turmerry Molded Solid Latex Pillow on a bed

It felt like a foam brick beneath our head.

It molded to our neck and shoulders but maintained its shape.

It was incredibly squishy and firm, and it didn’t cause any discomfort.

Person removes cover from the Turmerry Molded Solid Latex Pillow on a table

It was also fairly flat, making it less ideal for those who prefer a higher-loft pillow.

Despite its density, we found the pillowcase exceptionally easy to remove, clean, and put back on.

We especially appreciated its machine-washable cover, and at our six-month check-in, it was still in great condition.

Hand pressing into the Turmerry Molded Solid Latex Pillow

Our Testing Process

Weve tested 135 different pillows in our lab.

Then, we placed each pillow inside an appropriately sized pillowcase to examine how well it fit.

To account for differing sleep preferences, we tested a variety of sleeping positions.

Casper Hybrid Pillow with Snow Technology

PHOTO: Casper

We also considered how supportive the pillow was for each sleeping preference.

We also evaluated whether the cooling properties were affected by laundering.

We continued testing the pillows in our homes, evaluating their performance after six months of use.

Casper Hybrid Pillow with Snow Technology tag and side of pillow

Real Simple

Finding a pillow thats designed to fit the way you prefer to sleep is important.

Shredded memory foam allows for more airflow, making it more breathable than solid memory foam.

Latex:Latex is similar to memory foam but is more eco-friendly.

Sleep Number True Temp Pillow

PHOTO: Sleep Number

It’s also more springy and usually a bit softer.

Like memory foam, latex pillows are available in either solid or shredded forms.

Gel is usually added to other fill materials, most commonly memory foam.

The Sleep Number True Temp Pillow on a bed

Real Simple

But if night sweats are a concern, regularlycleaning your pillowis important.

Always refer to the manufacturer’s specific care instructions for washing your pillow.

The Standard 100 label indicates that a product has been tested for harmful substances and proven safe.

Tempur-Pedic Tempur-Cloud Pillow

PHOTO: Amazon

The UL Greenguard Certification Program tests products for over 10,000 chemicals and VOC emissions.

The Clean Air Gold Certification is the highest certification handed out by Intertek.

It did have a noticeable odor for the first few days of testing, but it eventually dissipated.

Tempur-Pedic Tempur-Cloud Pillow on a bed

Real Simple

We did find this pillow to be on the softer side, which might not be to everyones preferences.

Questions You Might Ask

Do cooling pillows work?

What bang out of pillowcase should you use with cooling pillows?

Purple Harmony Pillow

PHOTO: Amazon

Cotton percale is another good option, as its extremely crisp and breathable,as is silk.

Oeko-Tex.Oeko-Tex Standard 100: The original safety standard.

UL Solutions.UL Greenguard Certification.

Hands pressing the Purple Harmony Pillow on a bed

The latex had a cloudlike feel and retained its shape throughout months of testing.PHOTO: Real Simple

Intertek.VOC indoor air quality certification.

Purple Harmony Pillow displayed on bed with nearby pillow covered by blue pillowcase

Closeup of the corner of the Purple Harmony Pillow

Purple Harmony Pillow displayed on bed with green comforter

Hands pressing the Purple Harmony Pillow on a bed

Purple Harmony Pillow displayed on bed with nearby pillow covered by blue pillowcase

Closeup of the corner of the Purple Harmony Pillow

Purple Harmony Pillow displayed on bed with green comforter

Nordstrom Boll & Branch Down Chamber Pillow

PHOTO: Nordstrom

Woman sleeping on Boll & Branch Down Chamber Pillow on bed with a blue pillowcase

PHOTO: Real Simple

Close-up of Boll & Branch Down Chamber Pillow corner seam on white mattress

Boll & Branch Down Chamber Pillow on blue pillowcase on top of a bed

Woman sleeping on Boll & Branch Down Chamber Pillow on bed with a blue pillowcase

Close-up of Boll & Branch Down Chamber Pillow corner seam on white mattress

Boll & Branch Down Chamber Pillow on blue pillowcase on top of a bed

Article image

PHOTO: Real Simple

A person resting on the Slumber Cloud Core Down Alternative Pillow

PHOTO: Real Simple

Slumber Cloud Core Down Alternative Pillow displayed on green blanket

A person resting on the Slumber Cloud Core Down Alternative Pillow

Slumber Cloud Core Down Alternative Pillow displayed on green blanket

Casper Foam Pillow with Snow Technology

PHOTO: Casper

Person holding a Casper Foam Pillow with Snow Technology on a table with laptops

PHOTO: Real Simple

Closeup of the corner and label on a Casper Foam Pillow with Snow Technology

Closeup of the zipper of the Casper Foam Pillow with Snow Technology

Person holding a Casper Foam Pillow with Snow Technology on a table with laptops

Closeup of the corner and label on a Casper Foam Pillow with Snow Technology

Closeup of the zipper of the Casper Foam Pillow with Snow Technology

Person removes cover from the Turmerry Molded Solid Latex Pillow on a table

Real Simple

Person sleeping on their side with the Tuft & Needle Original Foam Pillow

Real Simple