Question

How does the pineal gland regulate sleep?

Answer 1

The pineal gland is a part of endocrine gland which secrete a hormone called melatonin which regulate the diurnal rhythm of our body(i.e, wake up cycle).

Answer 2

Answer:The pineal gland is a part of endocrine gland which secrete a hormone called melatonin which regulate the diurnal rhythm of our body(i.e, wake up cycle).

Explanation: