Melatonin has become one of the most popular sleep supplements in the United States. Millions of Americans take it regularly ...

Nightly melatonin may not be as harmless as many think, as new research links long-term use to heart failure risk.

Stock image of a woman using melatonin. Melatonin may have negative impacts on the heart, new research says — but experts caution not to toss the popular sleep aid just yet. Long-term melatonin use ...

If you’ve ever struggled getting to sleep, chances are you’ve turned to melatonin supplements to help. And you’re certainly not alone: data on melatonin use collected as part of the National Health ...

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." We all know what it’s like to run on too little sleep, and many people with chronic or occasional sleep ...

(CNN) — Long-term use of melatonin supplements may be linked with a higher risk of heart failure, according to new research — but does that mean people taking it as a sleep aid should stop using it ...

(CNN) — More and more adults are taking over-the-counter melatonin to get to sleep, and some may be using it at dangerously high levels, a study has found. The overall use among the US adult ...

It's frustrating not being able to fall asleep. So, people turn to a popular supplement melatonin. It’s the natural hormone your body makes. Darkness makes it go up and tells your body to sleep.

WASHINGTON — Don’t lose sleep over headlines linking melatonin to heart failure. That’s the message after some scary-sounding reports about a preliminary study involving the sleep-related supplement.

Nearly 1 in 5 school-age children now use melatonin regularly to fall asleep. For a lot of parents, it feels like a harmless fix. But updated guidelines and a wave of new research are telling a more ...