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 ...

Cellular energy metabolism also follows the rhythm of the circadian clock. A new study has now shown exactly how this works by revealing the relationship between the circadian rhythm and the ...

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 ...

Your internal clock plays a big role in your physical and mental health—sleep experts explain how it works. It may seem ...