How To Reset Your Sleep Schedule (And Why You Probably Need To)

As board-certified sleep specialist Michael J. Breus, Ph.D., explains to mbg, the circadian rhythm is a roughly 24-hour cycle that your body repeats over and over. “It basically ‘runs’ your sleep—starting it and stopping it—by sending out neurochemical signals telling each area, organ, or receptor site what to produce, what to receive, and what to do,” he explains.