Sagot :
Answer:
b
Explanation:
Melatonin, often referred to as the sleep hormone, is a central part of the body's sleep-wake cycle
Answer:
it appears that the function of melatonin is to mediate dark signals and provide night information, a “hormone of darkness,” rather than be the hormone of sleep. It has also been thought to be an “endogenous synchronizer” that stabilizes and reinforces various circadian rhythms in the body