circadian clock

English

Noun

circadian clock (plural circadian clocks)

  1. Synonym of circadian rhythm.
    • 2025 December 9, Veronique Greenwood, “Your Bedroom Probably Isn't Dark Enough”, in TIME‎[1]:
      Light at night may be interfering with the circadian clock in some way, perhaps by stopping the production of melatonin, a hormone that helps differentiate day from night.
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