HealthEssentials: Behavioral sleep medicine psychologist Alicia Roth, PhD, gives tips on how to readjust the body’s circadian rhythm.

If you’ve been going to bed at all different hours of the night, try setting up a schedule and sticking with it. Once you’ve established a routine, you’ll be able to fall asleep and wake up easier.

Overall, exercise helps with melatonin production, which can help you sleep. And working out can help your body’s other systems sync with your circadian rhythm.

But when you work out and how you feel from it is different for everyone.

“Some people exercise in the morning because it makes them feel more energetic,” says Dr. Roth. “For others, it makes them tired, so they save it for after work.”

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