Science, asked by ichuniha3850, 11 months ago

Why human got sleepy. How and by which hormone????????
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Answered by sridevi2008
0

it is because of the oxygen level that comes in one side of the brain


annesha863: the conception is totally wrong and name the hormone
annesha863: and for oxygen none feels sleepy
sridevi2008: sorry
Answered by annesha863
0

Melatonin hormone, secreted by pineal gland of the brain, is responsible for the regulation of the sleep cycle.

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