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1:57
YouTube
UW Medicine
Melatonin and the body's circadian clock
As we recover from the effects of daylight-saving time, some may take a melatonin supplement at supper to help with sleep. Melatonin is a hormone that your pineal gland, part of your circadian clock in the brain, naturally produces and releases throughout the night. Evening peaks and morning drops in melatonin play a role in regulating sleep ...
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