Discover how your body’s internal clock influences your weight and overall well-being — and how to get it back into sync.

"Every cell in your body that has DNA has a molecular clock that keeps its own time," she says. They're all part of your body ...

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, ...

Life can throw off your sleep-wake schedule—here are some steps you can take to reset your circadium rhythm, naturally.

Most Americans will enjoy an extra hour of sleep this weekend as the nation transitions from daylight saving time to standard ...

More light in the morning and less at night is key to keeping that rhythm on schedule — all the instruments in sync. When the clock is regularly disrupted by time changes or other reasons, he said ...

Every spring and fall, Americans still go through the odd ritual of changing their clocks: an hour ahead, then an hour back.

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, one strategy to stay healthy is to align your DAILY HABITS with your body clocks. There's growing evidence that the TIMING of your sleep, exercise and your meals can play a ...