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Circadian rhythm
(redirected from Sleep-wake cycle)

Also found in: Encyclopedia, Wikipedia, Hutchinson

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circadian rhythm

n.

A daily rhythmic activity cycle, based on 24-hour intervals, that is exhibited by many organisms.

Circadian rhythm

Any body rhythm that recurs in 24-hour cycles. The sleep-wake cycle is an example of a circadian rhythm.

Mentioned in: Phototherapy, Sleep Disorders

circadian rhythm,

n person's biological patterns within a 24-hour cycle, circa a day. See also chronobiology.

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sleeper syndrome
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