Jet lag has long been treated as an unavoidable tax on global travel, a foggy penalty paid in lost sleep, dulled concentration, and sluggish days after a long-haul flight. Now researchers say a new ...

Add Yahoo as a preferred source to see more of our stories on Google. Syncing your circadian rhythm to a natural light-dark cycle could improve your health and well-being. nambitomo/iStock via Getty ...

(CNN) — Early risers may have inherited genetic variants from Neanderthals that increased their odds of being morning rather than evening people, new research has found. While the human body clock is ...

Plan on a glorious extra hour of sleep as most of America “falls back” into standard time. But make sure to get outside for some morning sun, too — it’ll help your body clock reset faster. Daylight ...

With darker days ahead after winding back our clocks, one strategy for better health is to align your daily habits, like sleep and meals, with your body's clock. Most of us are now back to standard ...

Plan on a glorious extra hour of sleep as most of America “falls back” into standard time. But make sure to get outside for some morning sun, too — it’ll help your body clock reset faster. Daylight ...