In mammals, including you, specialized nerve cells called the suprachiasmatic nuclei (SCN) in the anterior hypothalamus ...

A large body of research supports the health benefits of being an early bird. But being a night owl isn't all bad, say experts. (Photo illustration: Aïda Amer for Yahoo News; photos: Getty Images) ...

The stereotype that early risers are more disciplined and productive has long been ingrained in societal norms. Waking up early is often praised as a hallmark of success and good health. But does ...

This story is from The Pulse, a weekly health and science podcast. Find it on Apple Podcasts, Spotify, or wherever you get your podcasts. In general, our circadian rhythms are governed by the ...

Sign up for CNN’s Sleep, But Better newsletter series. Our seven-part guide has helpful hints to achieve better sleep. If so, you could be at higher risk of ...