How to stop overthinking at night.

Why does your mind start racing the moment you turn off the lights? Overthinking at night can make sleep feel impossible, but there are alternatives. Dr. Mike Gradisar, head of sleep science at Sleep Cycle, breaks down why negative thoughts hit hardest before bed - and, more importantly, how to take control. Learn three science-backed cognitive techniques to calm your mind, quit worrying, and finally get the rest you deserve. Check out the video here.