C1 noun sɜːrˈkeɪdiən ˈrɪðəm
circadian rhythm
zirkadianer Rhythmus
Meaning
The body's natural sleep-wake cycle that occurs within 24 hours
Example
Exposure to natural light regulates the circadian rhythm.
Die Exposition gegenüber natürlichem Licht reguliert den zirkadianen Rhythmus.