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 ...

The circadian clock plays a key role in coordinating many biological processes from behaviors to cellular metabolism and mitosis. Disruption of circadian rhythms can increase susceptibility to ...

Circadian rhythms are the regular, daily cycles of biological processes or activities, including the regular and predictable variation in the levels of many circulating hormones, ions and the ...