Definitions
circadian Tweet Definition of circadian Like Definition of circadian on Facebook
adjective (more)
  1. (biology) of, relating to, or showing rhythmic behaviour with a period of 24 hours; especially of a biological process
    • 2000, Arnold Sameroff, et al., Handbook of Developmental Psychopathology, page 310
    • : The clock is involved in the regulation of the diurnal sleep-wake cycle, ".
    • 2002, Jill B. Becker, Behavioral Endocrinology, page 483
    • : To summarize, the system, particularly the SCN, controls the pattern of melatonin release in mammals.
    • 2005, Paul Martin, Counting Sheep: The Science and Pleasures of Sleep and Dreams, page 114
    • : The most obvious rhythm is the daily cycle of sleep and activity.

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