A trend called sleep syncing claims to get you back on track, but does it actually work?

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

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 ...

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 ...

Clocks existed long before smart watches and ticking timepieces. Our circadian rhythm, the internal clock driving most organisms — from bacteria to humans — is an ancient biological function that ...