Question

What hormone controls sleep?

Answer 1

Melatonin:

1. Melatonin is a hormone that is produced by the brain in darkness.
2. The deficiency of melatonin may cause restlessness and lack of sleep.
3. Another name for the hormone is the sleeping hormone.
4. It regulates our circadian rhythm and thus controls the timing of all our physiological and biochemical processes.
5. Hence, melatonin controls sleep.