Meaning of the word "circadian rhythm" in English

What does "circadian rhythm" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

circadian rhythm

US /sərˈkeɪ.di.ən ˈrɪð.əm/
UK /sɜːˈkeɪ.di.ən ˈrɪð.əm/

Noun

a natural, internal process that regulates the sleep-wake cycle and repeats roughly every 24 hours

Example:
Disruptions to the circadian rhythm can lead to sleep problems and fatigue.
Exposure to natural light helps regulate your circadian rhythm.