Your body possesses an internal clock, the circadian rhythm, that dictates sleep and wake cycles. This biological marvel, ...

Disrupted sleep patterns in Alzheimer’s disease may be more than a symptom—they could be a driving force. Researchers at ...

A new study links long-term melatonin use to higher risks of heart failure and death—doctors explain to Newsweek what it ...

New research has raised concerns about the long-term use of melatonin supplements, which are widely available for purchase in ...

Life can throw off your sleep-wake schedule—here are some steps you can take to reset your circadium rhythm, naturally.

From the moment you wake up, your body starts to prepare for sleep. We show you how to adjust your daytime habits to get the ...

People who used the supplement daily for more than 12 months had worse health outcomes than those who didn't use the ...

A new study says there could be a link between long-term use of melatonin supplements and a risk of heart failure. The study ...

A major American Heart Association analysis suggests that long-term melatonin use for sleep could be linked to a higher risk ...

No, I did not prepare for the end of Daylight Saving Time this past weekend, when most US states set clocks back an hour.

1. Don't adjust your wake-up time straight after the time changes. After a few days to a week, your body will acclimate to the new time. Instead, consider taking a short 20-minute nap in the ...