Long flights play tricks with your internal clock in ways that make you hazy, tired, and out of sync with the world. Your body believes it’s 3 AM when the sun is hot, or you’re awake at midnight, ...

Disruptions to our circadian clocks—the internal molecular timekeepers "ticking" in nearly every cell of our body throughout ...

Your circadian rhythm is a flexible internal clock that shifts with age and life changes, guiding your sleep, wake, and eating patterns. To realign your rhythm after disruptions like jet lag or late ...

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 ...

Our busy schedule seldom allows us time to just sit back, relax and soak up the sun. Many of us are cooped up inside our ...