A vast majority of Americans wake up regularly during the night, according to a U.S. News survey. Sleep expert Wendy Troxel ...

Discover how managing blue light exposure at the right time and intensity can enhance your sleep quality rather than disrupt ...

One of the most striking features of our world is the continuous cycle of day and night. Almost all living organisms, ...

For a good night of sleep, consider getting your circadian rhythm back in sync with the sun. Here’s how to do it.

This is called the circadian rhythm, and it controls when we feel awake ... can lead to a disrupted cycle, with workers ...

What you eat before bed matters more than you think, as certain foods can disrupt your sleep. “Heavy or greasy meals close to ...

Part of cortisol's impact is mediating the stress response — that fight-or-flight instinct that allows you to deal with ...

Experts have revealed why a large portion of Americans fail to stay asleep all night while offering advice on how to improve ...

Research has linked phone and screen use to disruptions in circadian rhythm, or the natural sleep-wake cycle. A review published in 2018 noted that phone use within one to two hours of going to ...