Why we sleep one thing is abundantly clear our bodies are designed to sleep. Each night our body temperatures drop to help us fall asleep and stay asleep. Our biology is fine-tuned to do the heavy lifting during sleep but if our sleep space isn’t cool, dark, and quiet, things can go off the rails quickly. The temperature of your sleeping space is important, but so is the temperature under the covers. The best temperature for sleep is between 62-68°F for most adults. Anything above or below those temperatures may affect your sleep. You can optimize your sleep environment by using fans to circulate the air, wearing pajamas made from lightweight, breathable fabrics, and investing in black-out curtains. sleepers should “Aim for a cool room, ideally somewhere between 62 to 68°F,” and then fine-tune their optimal temperature with blankets or pajamas. Incidentally, he adds, starting off with cooler temperatures can also be “helpful when navigating the different temperature needs between partners. To keep things comfortably cool at night, Aloia says sleepers should reassess their beds, bedding, and other sleep-related textiles for a more personalized sleep environment. For example, he says, there are plenty of mattresses on the market with temperature-balancing technology to help draw heat away from your body and keep you cool throughout the night. Keep Your Sleep Space Cool and Dry Gartenberg suggests incorporating things like dehumidifiers and box fans to circulate air and help maintain a cool dry space that promotes your body’s natural temperature regulation. Change Your Clothing Consider switching to very light pajamas made from breathable fabrics like bamboo says Gartenberg. “These materials allow for better airflow and prevent you from trapping heat close to your skin, ensuring a more comfortable and restful night’s sleep Temperature can either disrupt or support our sleep, says Aloia. And while 62 to 68°F is a happy medium for most people, temperatures that are too high or too low may stymie your sleep.
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Monday, March 9, 2026