YOU HAVE TO SLEEP AT THE RIGHT TIME. MINDY: IT IS VERY HARDWIRED. WE FOUND OUT THAT EVERYTHING SLEEPS AND EVERYTHING HAS A CIRCADIAN RHYTHM TOO. IT’S AN INTERNAL CLOCK. OUR BODIES ARE HARD-WIRED BY ...

Syncing your circadian rhythm to a natural light-dark cycle could improve your health and well-being. nambitomo/iStock via Getty Images Plus Anyone who has suffered from jet lag or struggled after ...

Your internal clock plays a big role in your physical and mental health—sleep experts explain how it works. It may seem instinctual that humans understand when to go to sleep, wake up, and eat, and ...

Did the holidays mess up your sleep patterns? Maybe you stayed up late ringing in the new year, or changed time zones while traveling. Science journalist Lynne Peeples says the body's circadian ...

Night owls get a bad rep, but it might be time to leave that shame behind.

This weekend the clocks will roll back, signalling the end of daylight saving time and the start of long, dark winters. Of course, there is the short-term perk: the fact it allows us an extra hour in ...