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 ...

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 ...

"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.

This is because light is one of the main stimulus acting on the circadian rhythm. The body's natural sleep-wake cycle is regulated by the interplay of light and darkness. When you expose yourself ...

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

A randomized controlled trial shows that lithium treatment in bipolar disorder patients reduces daytime activity, advances ...

Thanks to digital overload, always-on schedules, and stress levels that never seem to hit pause, even getting enough sleep doesn’t guarantee you’ll wake ... “Your circadian rhythm is your ...

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 ...

“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 sai ...