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What is the Biological Clock?

Posted Sep 14 2008 12:15am

The biological clock is a term applied to the brain process which causes us to have 24-hour fluctuations in body temperature, hormone secretion, and a host of other bodily activities. Its most important function is to foster the daily alternation of sleep and wakefulness. The biological clock is housed in a pair of tiny bilateral brain areas called the suprachiasmatic nuclei.

- William C. Dement, M.D., Ph.D

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