What is circadian rhythm disorders?

Also known as: CRD.

Circadian rhythms are the natural rhythms that control an animal’s biological clock. When something disrupts these rhythms, it’s known as a circadian rhythm disorder. Most frequently this refers to disruptions to sleep caused by interruptions to typical sleep patterns.

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Reviewed by: Mercedes Bello, MD

This page was last updated on: 1/29/2019 3:21:13 PM