Circadian rhythms are the cycles that tell the body when to sleep, wake, and eat—the biological and psychological processes that oscillate in predictable patterns each day. This internal clock ...

We all have a natural internal clock: our circadian rhythm. It makes us feel tired when it's time to sleep and wakes us up on a schedule. And it can be changed.

Source: Leslie Korn/ Rhythms of Recovery: Trauma, Nature and the Body PTSD, chronic pain (fibromyalgia), and sleep problems are all characterized by circadian rhythm imbalance. In order to ...

While maintaining our circadian rhythm in the face of a lack of time uniformity can be daunting, experts have tips and tricks to make sure you're getting quality z's no matter the time of year.

These 4 hacks could help you make the most of your circadian rhythm By Randi Kaye , Sarah Boxer , Leonel Mendez and Natalia V. Osipova , CNN Published 5:00 AM EDT, Sun June 8, 2025 ...