Melatonin is a natural hormone produced in the brain by the pineal gland. The production and release of melatonin is stimulated by darkness and suppressed by light. It is only relea sed during the night.

Moreover, Melatonin refers to a hormone released by the pineal gland in response to daily cycles of light and dark; a hormone that among other effects induces sleepiness.
List of books: Melatonin

Related Articles

Pineal gland at■■■■■■■■
Pineal gland: Pineal gland refers to the gland in the brain that helps regulate body rhythms and sleep . . . Read More
Pituitary Gigantism at■■■■■
Pituitary Gigantism: Pituitary Gigantism refers to the excessive growth and height due to chronic overactivity . . . Read More
Adrenal glands at■■■■■
Adrenal glands: Adrenal glands refer to a pair of endocrine glands that release hormones that prepare . . . Read More
ACTH at■■■■■
ACTH: ACTH or Adrenocorticotropic hormone is the hormone that stimulates the human adrenal cortex to . . . Read More
Luteinizing hormone (LH) at■■■■■
Luteinizing hormone (LH): Luteinizing hormone (LH) which is also called "Interstitial cell stimulating . . . Read More
Endorphin at■■■■
Endorphin: Endorphin refers to a neuropeptide produced by the pituitary gland having pain-suppressing . . . Read More
Hypothalamic-Pituitary-Adrenal (HPA) Axis at■■■■
Hypothalamic-Pituitary-Adrenal (HPA) Axis: Hypothalamic-Pituitary-Adrenal (HPA) Axis refers to a regulatory . . . Read More
Circadian rhythm at■■■■
Circadian rhythm: Circadian rhythm refers to an internal biological clock that runs approximately on . . . Read More
Theta waves at■■■■
Theta waves: Theta waves refer to brain waves with a frequency of 4-7 cycles per second that are produced . . . Read More
Non-REM sleep at■■■■
Non-REM sleep: Non-REM sleep (NonREM sleep or just NREM) which is another name for Non-rapid eye movement . . . Read More