As sleep becomes harder and harder to come by for many of us, melatonin is increasingly easy to find. It’s in gummies, pills, powders, teas, drinks and more—all promising better, more restful sleep.

Melatonin is a hormone that regulates your circadian rhythm and helps with sleep. Taking melatonin supplements can make you feel sleepy and help you fall asleep faster. Melatonin may help reduce the ...

The small, innocent-looking bottle of melatonin supplements sitting on millions of American nightstands has become as common as a glass of water before bed. Usage of this sleep aid has skyrocketed ...