Trouble sleeping? 7 expert steps to fix your circadian rhythm and fall asleep fast

A man who is unable to sleep at night covers his head with a white pillow while holding a white alarm clock in the other hand.

If you struggle to fall asleep or wake up feeling groggy, an out-of-sync circadian rhythm could be to blame.

This internal 24-hour clock controls your sleep-wake cycle, helping your body know when it’s time to wake up and wind down.