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

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

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

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

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

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

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 ...

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

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. Sunrise and sunset now come an hour earlier, despite my protestations. Experts ...

Non-24-hour sleep-wake disorder (N24SWD) occurs when your sleep-wake cycle gradually shifts out of sync with the 24-hour day. It affects about half of blind people, but it can also affect those with ...

We’ve all been there — dragging ourselves out of bed feeling like we’ve been hit by a truck despite getting a full night’s sleep. The alarm blares, and you wonder how eight hours of rest could ...