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Serotonin causes the Pineal Gland to secrete Melatonin. Melatonin helps regulate your sleep cycle.
by secreting melatonin
Is a hormone that helps to regulate sleep.
melatonin
Melatonin
The hormone melatonin, which is secreted by the pineal gland.
Pineal gland at the dorsal aspect of brain secreates the hormone melatonin, that may regulate wake up and sleep patterns.
Definitely not. Melatonin does not contain a narcotic. It is strictly used to boost your melatonin levels to help produce sleep.
Melatonin is the sleep chemical. If you lack this sleeping can be difficult.
The pineal gland is an endocrine gland located in the center of the brain (of vertebrate animals). It resembles a pine cone, which is the origin of its name. This gland produces serotonin and derivative melatonin. Melatonin is a hormone that regulates sleep patterns.
I think you mean melatonin. It is used (amongst other things) to regulate sleep patterns for shift workers, people with jet lag etc.
OTC melatonin is generally used as a sleep aid. In the body, melatonin is used to protect the skin. It's what makes you get tan.