Melatonin is wildly popular—and wildly misunderstood. Here’s why scientists say taking this supplement doesn’t necessarily ...

In TODAY.com's Expert Tip of the Day, a sleep doctor explains why summer hurts melatonin levels and reveals an way to increase them naturally before bed.

Night shift workers who took melatonin supplements before sleeping during the day showed signs of improved DNA repair, according to a new randomized controlled trial published in Occupational & ...

Sleep is essential to our health, yet millions of adults in the U.S. struggle with poor sleep quality or insomnia. Getting adequate sleep helps people be their ultimate best and cope with ...

In individuals with healthy sleep patterns, melatonin levels typically reach their peak between 2 a.m. and 4 a.m.

The timing of melatonin release is consistent with its relation to sleep. Very little is released during the day, with levels rising as the sun goes down and bedtime approaches.

Not every yoga pose is designed to help you wind down. Some are energizing and can leave you feeling more alert instead of relaxed. To help you avoid trial-and-error frustration, we consulted an ...

10 good melatonin alternatives What can you take instead of melatonin supplements to support a healthy sleep cycle? A number of nutrients may be able to help you relax at bedtime and get the good ...

Normally, melatonin levels are highest during nighttime darkness and lowest during the daytime light. "Another theory is that while melatonin levels are depressed, female hormones are increased ...

The timing of melatonin release is consistent with its relation to sleep. Very little is released during the day, with levels rising as the sun goes down and bedtime approaches.