bn:00019158n
Noun Concept
Categories: Articles with short description, Circadian rhythm, All articles lacking reliable references, Biology of bipolar disorder, Sleep
EN
circadian rhythm
EN
A daily cycle of activity observed in many living organisms WordNet 3.0
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EN
A daily cycle of activity observed in many living organisms WordNet 3.0 & Open English WordNet
A circadian rhythm, or circadian cycle, is a natural oscillation that repeats roughly every 24 hours. Wikipedia
Biological process that displays an oscillation about 24 hours, such as the human sleep-wake cycle Wikipedia Disambiguation
Natural, internal process that regulates the sleep-wake cycle and repeats roughly every 24 hours Wikidata
The "internal body clock" that regulates the (roughly) 24-hour cycle of biological processes in animals and plants. Wiktionary
Internal body clock. Wiktionary (translation)