Anyone can have trouble maintaining sleep cycles, but older adults are far more likely to have difficulty sleeping than younger adults. Often this will simply result in them taking daytime naps or ...

Melatonin is a hormone secreted by the pineal gland in response to darkness. The pineal gland, which is situated in the midline of the brain, analyses the current state of the environmental light-dark ...

It can acutely raise blood glucose levels by suppressing insulin secretion, but in the long term, it may confer metabolic benefits.

Melatonin supplements are sold as sleep aids over the counter in the U.S. Some years ago, pediatrician Dr. Judith Owens noticed a disturbing pattern. A professor of neurology at Harvard Medical School ...

A new study has found that people who took melatonin for a year or longer to help with sleep had a much-higher risk of developing heart failure, being hospitalized for it, or dying from any cause, ...

Add Yahoo as a preferred source to see more of our stories on Google. Bottle with melatonin pills or supplements, purple background Falling asleep and staying asleep are common struggles. It can be ...