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Sleep and Aging
About Sleep
The sleep-wake process works by balancing the amount of sleep a
person needs based on the time spent awake. Our circadian biologic
clock is a 24-hour body rhythm affected by sunlight. It regulates
hormones such as melatonin, which is secreted during the night and
promotes sleep, and other processes like body temperature. Sleeping
at a time that is in sync with this rhythm is important for healthy
sleep.
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