"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Up to one in three Americans don’t get enough sleep, and millions struggle with actual sleep disorders.

Medically reviewed by Allison Herries, RDN Key Takeaways Melatonin is a hormone that regulates your circadian rhythm and ...

(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 ...

Is melatonin making you murky in the morning? Our bodies naturally produce the hormone melatonin to help regulate our sleep-wake cycle. Melatonin is also a popular supplement meant to address sleep ...

"Try taking a low dose to start, taking it about 60 minutes before sleep and skipping continuous release melatonin if this seems to apply to you," he advises. According to the National Sleep ...

Some supplements act like stimulants and can keep your brain from shifting into sleep mode. Ingredients for energy or focus ...

Falling asleep and staying asleep are common struggles. It can be difficult to shut your mind off at night and go to bed. A CNET survey found that 56% of American adults use some method to manage ...

Winter brings shorter days and longer nights, which impact sleep and digestion. Factoring for this can help you sleep better ...

It’s easy to jump to conclusions when you read a headline that suggests the buzzy sleep supplement melatonin is linked with heart failure. While recent research presented at the American Heart ...

Some studies point to melatonin use as beneficial to heart health, while others say the opposite. Here’s how to make sense of ...