I kept waking up sweaty because of a classic bedding mistake — here’s what fixed it
Waking up at 3 a.m. happened to me all the time until I ditched this heat-trapping material
I never put much thought into choosing bedding. Typically I'd pick my bed sheets based on price and color, never bothering to check things like thread count or material composition. That is, until I started waking up at 3 a.m. feeling stuffy, sweaty, and overheated.
Night sweats aren't something I usually deal with, so I initially blamed my awakenings on this summer's hot weather. Then I started testing a cool, crisp cotton bedding set. It put an end to my 3 a.m. wake ups and made me realize that my bedding was behind my disrupted sleep all along. Here's the classic bedding mistake I made and how I fixed it...
The classic bedding mistake I made...
If you're anything like me, you probably buy the sheets that catch your eye when it's time to replace your old bedding.
And as you browse through the bed sheet selection on Amazon, Target, or Walmart, you'll find some cheap sets earning praise for their softness and wrinkle-free appearance. Sounds perfect, right?
However, the low price and smooth look are usually down to a certain material: polyester. This material comes in different types, including microfiber and polycotton blends, and is sometimes described as "cotton-like".
Now, there are a lot of advantages to polyester, such as its affordability, durability, and low maintenance. (Take a look at the pros list in our Utopia Bedding Sheet Set review.)
However, the downside is that polyester is not a breathable fabric. In other words, its notorious for trapping body heat.
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I came to learn this the hard way when I was plagued by sweaty night-time awakenings throughout summer (and even during the colder months). And that's because my polyester sheets — even ones with a cotton blend — didn't have enough temperature regulation. Hot air was getting trapped in the material and causing me to overheat.
How I fixed it...
I must admit, I fixed my bedding mistake by accident. I like the look of the Brooklinen Classic Percale Core Sheet Set, now from $119.25 at Brooklinen and decided to test it out.
I never realized what switching to 100% cotton could do to your sleep until I made the swap. Cotton is naturally breathable and moisture-wicking, and when a bed sheet is pure cotton instead of a polycotton mixture, you can feel the difference.
In this case, I used sheets made from percale cotton, a crisp, matte-look weave known for its fresh, hotel feel.
Other naturally breathable bedding materials you can try include linen, bamboo viscose (like the Cozy Earth Bamboo Sheet Set), and natural silk. Tencel, though technically a semi-synthetic material, is also great at cooling.
3 top-rated breathable bedding deals
The Sijo Airyweight Eucalyptus Sheet Set lives up to its name and provides an airy, cooling feel. In fact, we named it the best cooling option in our best bed sheets guide. Made from eucalyptus-derived Tencel Lyocell, the Sijo sheet set provides a silky yet cooling feel, plus it's antimicrobial and hypoallergenic for allergy sufferers. Down from $110 down to $88 in a queen, the Airyweight Eucalyptus Sheet Set comes with a 30-night sleep trial.
Our Sijo Airyweight Eucalyptus Sheet Set review: ★★★★½
User score: ★★★★★ (3,300+ reviews)
Who says an organic cotton sheet set needs to be a luxury spend? I'm a fan of LANE LINEN's affordable 100% cotton bedding collection, and at $35.99 for a queen set (was $44.99), it's a great option if you want a naturally breathable sheet set for less than $50. Benefits include 30-day returns and free shipping.
User score: ★★★★½ (34,000+ reviews)
The crispest, coolest bedding I've ever tested, the Classic Percale Core Sheet Set is made from durable, breathable percale cotton and comes in a wide variety of patterns and colors (I chose the Tandem Stripe in Fresh Moss pattern). It's a luxury spend at $149.25 (was $199) in a queen, and the price does fluctuate depending on what pattern you spring for. However, its luxury hotel feel is worth the price tag, and benefits include a year-long return policy.
User score: ★★★★½ (18,000+ reviews)
Synthetic materials to avoid...
Of course, it's not just polyester that you should avoid. Other bedding material that can cause night sweats are nylon, satin, and acrylic. Nylon blends are often found in glossy sheets, quilts and travel blankets, while acrylic is found in faux fur blankets, bedspreads and throws.
Meanwhile, satin is often used for pillowcases to make them more skin-friendly and to reduce hair frizz. Satin pillowcases are often used as a cheaper alternative to silk pillowcase, but unlike silk, satin is synthetic and can retain heat.
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Frances Daniels is a PPA-accredited journalist and Sleep Staff Writer at Tom's Guide with an MA in Magazine Journalism from Cardiff University. Her role includes covering mattress and sleep news and writing sleep product reviews and buyer's guides, including our Best Hybrid Mattress 2025 guide. She is interested in the relationship between sleep and health, interviewing an array of experts to create in-depth articles about topics such as nutrition, sleep disorders, sleep hygiene, and mattress care. She is also our specialist on mattress toppers — producing bed topper reviews and taking care of our Best Mattress Toppers 2025 guide — and leads content relating to fiberglass-free beds for a non-toxic sleep. Outside of Tom's Guide, she has written for Ideal Home and Marie Claire.
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