Assertion: melatonin's function | /r/HasProperty | to control wake cycles
Facets:
Source sentences:
text: Jeffrey Gladd, M.D., an integrative physician on Care/of's scientific advisory board, defines melatonin as a hormone that is naturally produced in the brain, with its main function being to control your sleep and wake cycles (aka your circadian rhythm).
text: The function of these hormones is to regulate the body clock and wake-sleep cycles.