So should I be trying to fix my circadian rhythm—and even if I wanted to, could I? Described as the body’s internal 24-hour biological clock, “it helps regulate many essential functions, including ...

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 ...

Are you a night owl? If you’re the type of person who feels wide awake every night and tired every morning, you know how your internal circadian rhythm—also known as your chronotype—can feel out of ...

Results showed that those who got more weekend catch-up sleep had a 41% lower risk for daily depressive symptoms. Healthy ...

Lack of sleep increases columnist G Shellye Horowitz's susceptibility to injury, which can be dangerous with hemophilia and ...