How to Wake Up Earlier: A 2-Week Plan That Works With Your Body Clock
Moving your wake-up time 15 minutes every few days, getting morning light and keeping weekends steady is the most reliable way to become an earlier riser.
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How Long Does Jet Lag Last? Days to Recover for Popular Routes
Your body clock adjusts about 1 hour a day after flying east and 1.5 hours a day after flying west. Here is how long jet lag lasts on popular routes, and how to shorten it.
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How Much Sleep Do Teenagers Need? (And Why They Can’t Fall Asleep Early)
Teens need 8 to 10 hours of sleep, but CDC data show more than 7 in 10 US high school students get less than 8 on school nights. Here is why, and what helps.
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How Daylight Saving Time Affects Your Sleep (and How to Adjust)
Fatal car crashes rise about 6% in the week after clocks spring forward. Here is what the clock change does to your body, and a simple plan to adjust before November 1.
