How to sleep better in the heat
Posted July 22, 2026
Hot nights can wreck your sleep. Learn why heat disrupts your body’s natural rhythm and get simple tips to stay cool, sleep better and wake up refreshed.
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Forty percent of Americans are sleep deprived. As a pulmonologist and sleep medicine doctor, I can tell you there is a benefit to afternoon naps for adults. In a study of NASA astronauts, they were 100 percent more alert and 40 percent more productive after taking a 40-minute nap in the middle of their day. Keep the nap short—just 20 to 40 minutes.
Listen to (or read) this interview I did with WCCO-AM 830 news, Allina Health sleep expert advocates for afternoon naps.
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