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.

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 ...

This dramatic increase in use of melatonin reflects our inclination to try “shortcuts” to get a good night’s sleep. Melatonin isn’t the first one and it surely won’t be the last.

Sleep specialists have a few concerns about this combo. Credit...Joyce Lee for The New York Times Supported by By Rachel Rabkin Peachman Q: I take melatonin to help me sleep at night. But I also ...