The New York Times shares behavioral strategies for better sleep.

Still, if you’re tired, get sleep while you can. “If you’re tired during the day, get your rest then,” said Janet Mullington, a professor in the department of neurology at Harvard Medical School.

Just don’t let naps wreck your schedule. Michael Breus, a clinical psychologist who focuses on the link between behavior and sleep, said the sweet spot of naps is about 10 to 20 minutes.

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