89 percent of US adults wake up in the middle of the night (Getty Stock Images ... sleep’ as temperature can massively manipulate the body’s circadian rhythm. “As part of the circadian rhythm (which ...

(Representative Image) In July 1962 ... could shift to a 48-hour sleep-wake cycle, doubling the standard circadian rhythm that governs most human lives. His findings have influenced how researchers ...

Waking up tired or wired? Your circadian rhythm could be off. Reset your internal clock with science-backed habits for deeper sleep and steady energy.

A good night’s sleep often sets the stage for a positive day. But for the nearly quarter of American adults struggling with mental illness, a good night’s rest is often elusive. For patients with ...

The molecular mechanism behind why heart attacks can vary in severity depending on the time of day has been uncovered, potentially paving the way for innovative treatments that align with the natural ...

The molecular mechanism behind why heart attacks can vary in severity depending on the time of day has been uncovered by ...

Circadian rhythms ... cycles of biological processes or activities, including the regular and predictable variation in the levels of many circulating hormones, ions and the control of sleep ...

Most adults have heard the standard recommendation of seven hours of sleep per night, but emerging research suggests this one-size-fits-all approach might not adequately address the unique sleep ...

"As part of the circadian rhythm (which regulates sleep-wake cycles among other things), the body's core temperature naturally decreases at night, signaling that it's time to sleep," she said.

A randomized controlled trial shows that lithium treatment in bipolar disorder patients reduces daytime activity, advances its onset time, and increases volatility in circadian rest-activity patterns.