WASHINGTON – Most of America “springs forward” Sunday for daylight saving time and losing that hour of sleep can do more than leave you tired and cranky the next day. It also could harm your health.

Can the seasons' shifting really impact your sleep? Two sleep experts explain and share their top tips to get good rest year round ...

If you struggle to fall asleep or wake up feeling groggy, an out-of-sync circadian rhythm could be to blame. This internal 24-hour clock controls your sleep-wake cycle, helping your body know when ...

You go to bed at the same time every night but still feel exhausted in the morning. You crash at 3 PM daily despite getting eight hours of sleep. You lie awake staring at the ceiling when you should ...

Most of America “springs forward” Sunday for daylight saving time and losing that hour of sleep can do more than leave you tired and cranky the next day. It also could harm your health. Darker ...

Spending a winter weekend in the wilderness that exposes you to lots of natural light during the day—combined with absolutely zero artificial light at night—can reset your internal circadian clock and ...

WASHINGTON (AP) — Most of America “springs forward” Sunday for daylight saving time and losing that hour of sleep can do more than leave you tired and cranky the next day. It also could harm your ...