Daylight Saving Time Starts Sunday. Here ’s What Losing An Hour of Sleep Really Does to Your Body

The start of Daylight Saving Time, when the clocks spring forward by an hour, is among the most hated days of the year. Aside from the obvious reason — losing an hour of sleep — research has shown that the time change, which this year falls on March 11, may contribute to everything from lost productivity to a heightened risk of heart attack and stroke. How can resetting your clocks do all that? TIME asked Dr. Cathy Goldstein, an assistant professor of neurology at the University of Michigan School of Medicine Sleep Disorders Center, what really happens to your body when you lose an hour of sleep for Daylight Saving Time. Your circadian rhythm is thrown off Daylight Saving Time’s true impact goes beyond losing an hour of sleep, Goldstein says. Your circadian rhythm, an internal clock that “exists so that wakefulness is promoted during the day, and sleep is promoted at night,” Goldstein says, is also affected. Thanks to circadian rhythms, the body begins secreting melatonin, a sleep-promoting hormone, around 9 p.m., with levels dropping way off by the next morning. Light exposure can moderate your circadian rhythm a bit, but the body more or less relies on consistent sleep and wakefulness cues — so when they’re altered, even by an hour, your sleep gets misaligned. “You take somebody who’s very sleepy when they get up at 6 a.m., and then they get up at 6 a.m. during Daylight Saving Time, and for them that’s physiologic...
Source: TIME: Health - Category: Consumer Health News Authors: Tags: Uncategorized healthytime onetime sleep Source Type: news

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Source: Guardian Unlimited Science - Category: Science Authors: Tags: Coronavirus outbreak Infectious diseases Medical research Microbiology Science World news Health & wellbeing Boris Johnson Politics Society UK news Conservatives NHS Hospitals Doctors Source Type: news
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Source: Der Hautarzt: Zeitschrift fur Dermatologie, Venerologie, und verwandte Gebiete - Category: Dermatology Tags: Hautarzt Source Type: research
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Source: Military Medicine - Category: International Medicine & Public Health Tags: Mil Med Source Type: research
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Source: Gynecologic Oncology Reports - Category: OBGYN Source Type: research
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Source: Thyroid : official journal of the American Thyroid Association - Category: Endocrinology Tags: Thyroid Source Type: research
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