Circadian rhythm

Circadian rhythm is biological diurnal (daily) rhythms of living organisms. It comprises behaviour and processes in the body that are regularly repeated throughout a c.24 hour cycle.

The circadian rhythms are part of our biological clocks.

Circadian rythm in humans. Photo: Yassine Mrabet, CC BY-SA 3.0 (, via Wikimedia Commons)

Polarpedia terms are created by EDU-ARCTIC Consortium, which holds responsibility for quality of translations in following languages: Polish, French, Danish, Norwegian, German, Russian, Italian, unless indicated otherwise. If you see an error - please contact us:
European Union flag This project (EDU-ARCTIC) has received funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement No 710240. The content of the website is the sole responsibility of the Consortium and it does not represent the opinion of the European Commission, and the Commission is not responsible for any use that might be made of information contained.
Designed & hosted by American Systems Sp. z o.o.