A supplement-free night of slumber might be just around the corner. In recent years, products that contain melatonin — which promotes sleep by signaling that it’s nighttime — have increasingly grown ...

Melatonin, which helps regulate your circadian rhythm, plays an important role in preparing you for sleep. Now a new study, the first of its kind in the U.S., reports that the contents of melatonin ...

Many of us think of melatonin only as an over-the-counter sleep aid, given its widespread use. But melatonin is a hormone already circulating through our bodies, like adrenaline or cortisol. As a ...

Having some trouble falling asleep? Blame it on your pineal gland. Melatonin is a hormone created by the pineal gland in the midbrain and it helps regulate your sleep and wake cycle, according to Dr.