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    Sleep Disorders Health Center

    Circadian Rhythm Directory

    Circadian rhythm disorders are disruptions in a person's circadian rhythm -- a name given to the "internal body clock" that regulates the (approximately) 24-hour cycle of biological processes in animals and plants. Circadian rhythms are important in determining human sleeping patterns. When your body clock gets off schedule -- as can occur when traveling, working the night shift, or taking certain medications -- problems may develop that affect sleep. Follow the links below to find WebMD's comprehensive coverage about circadian rhythm disorder, what causes it, how to treat it, and much more.

    Medical Reference


    Thumbnail: 10 Ways to Reset Your Sleep Cycle

    Are jet lag, night shifts, or insomnia dragging you down? Learn how to reset your sleep clock for better, more restful sleep.

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