Circadian Rhythm

Circadian rhythm is a natural, internal process that regulates the Sleep-wake cycle and repeats roughly every 24 hours. These internal "body clocks" respond to cues like Light, influencing various physiological and behavioral patterns.

See also

Linked from: Annual Cycle, Biological Clock, Biological Rhythm, Biological Rhythms, Body Clock, Chronobiology, Day Night Cycle, Diurnal Animal, Drowsiness, Heliotropism, Insomnia, Jet Lag, Melatonin, Night Shift, Night Work, Nyctinasty, Photoperiodism, Pineal Gland, Shift Work, Sleep, Sleep Cycle, Sleep Disorder, Sleep Hygiene, Sleep Patterns, Sleep Quality, Sleep Stages, Sleep Wake Cycle
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