Melatonin is a hormone that your brain produces in response to darkness. It helps with the timing of your circadian rhythms (24-hour internal clock) and with sleep.
Melatonin is an important player in regulation of energy metabolism and glucose homeostasis.
It is responsible for daily distribution of energy metabolism functions
- daily phase of high insulin sensitivity, glycogen synthesis, and lipogenesis and a sleep phase associated with the usage of stored energy.
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