Your body clock runs on light. Here's how to work with it this summer. ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏ ͏
Your Body Was Not Built for Summer Nights
Light is the most powerful signal your circadian rhythm receives all day, and today is the longest day of the year!
In summer, that signal keeps arriving hours later than your body expects by suppressing melatonin, delaying sleep onset, and pushing your whole schedule back in ways that compound over weeks.
Add heat that prevents your core temperature from dropping, and you have two separate biological problems hitting at once.
Our guide addresses both!
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Sleep Quiz
Which of these habits has solid research supporting it as a way to help you fall asleep faster?
A. Drinking chamomile tea right before bed
B. Getting sunlight exposure in the first hour of your morning
C. Taking a hot shower immediately before sleep
D. Keeping your bedroom completely silent
One of these works on a deeper biological level than the others, and most people have never deliberately tried it.
→ See the Tips Most People Skip
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Products We Love Right Now
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Quick Sleep Tips
Swap Your Heavy Duvet for a Lightweight Summer Blanket Tonight
Your bedding is doing more to affect your sleep temperature than your bedroom air conditioning. A heavy duvet traps a layer of warm air directly against your body all night, and your core temperature never drops enough to reach deep sleep as a result.
A breathable, lightweight summer blanket lets heat escape rather than trapping it!
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Sleep Trackers Are Helping People Sleep Better — and Keeping Some of Them Awake
A new survey from the American Academy of Sleep Medicine found that 48% of adults now use a sleep tracker, up from 35% in 2023.
Most are actually changing their habits based on what they learn. That's the good news.
However, the same survey found that 76% of adults have lost sleep specifically because they worry about their sleep!
Researchers are calling it orthosomnia: anxiety about sleep data that ends up making sleep worse.
Your tracker can be a genuinely useful tool or a source of nightly stress, and the difference often comes down to how you use it.
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What’s Trending in Sleep Right Now?
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Sleep Foundation, A Sleep Doctor Company
1414 NE 42nd St 400 Seattle, WA 98105
Sleep Doctor (collectively Sleep Foundation, SleepFoundation.org, SleepApnea.com, and SleepDoctor.com) is not affiliated with the National Sleep Foundation, an independent 501(c)(3) nonprofit based in Washington, D.C.
Sleep Doctor and its brands provide comprehensive health information to help people cultivate better sleep. Sleep Doctor does not provide medical advice, diagnosis, or treatment options.
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