Give me important facts about hormones.

The endocrine system the body's hormones and the glands that produce them make up the endocrine system. there are eight major glands and their job is to regulate the body's metabolism reproduction growth and sleep

1. It has been suggested online that the drug Cabergoline has a possible recreational use in reducing or eliminating the male refractory period, thereby allowing men to experience multiple ejaculatory orgasms in rapid succession by inhibiting the hormone prolactin and at least one scientific study supports those speculations.

2. For those who have trouble sleeping, researchers say that one week of camping, without electronics, resets our biological body clock and synchronizes our melatonin hormones with sunrise and sunset