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 ...

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

We can't talk about morning sunlight and improved sleep hygiene without first addressing our circadian rhythm. This is the ...

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

Working shifts disrupts your circadian rhythm, leading to poor sleep efficiency and mood disturbances. We take a closer look ...

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

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

Sleep and fertility are affected due to seasonal changes, most notably during the summer. The rise in temperature, longer ...

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 ...