circadian
part of speech
adjective (circadian)
meaning for a pupil
To do with the body's natural daily clock, a cycle of about 24 hours that controls when we sleep, wake and feel hungry. tree →
sense in the lessons
In science and health lessons, circadian rhythms explain why we feel sleepy at night, why jet lag happens, and why screens before bed can keep us awake. Plants and animals have them too. Phrases: "circadian rhythm", "circadian clock".
examples
- Your circadian rhythm tells you when to sleep. tree →
- Jet lag happens when your circadian clock is out of step with local time. tree →
- Bright screens at night can confuse your circadian rhythm. tree →
- Flowers that open in the morning follow a circadian rhythm. tree →
- Teenagers' circadian rhythms make them sleepy later at night. tree →
note
Pronounced "sur-KAY-dee-un". From Latin "circa" (about) and "dies" (day): about one day, roughly 24 hours.
In the corpora
Trees and pragmatics
Every meaning and example of «circadian» parsed by Mova, each sentence with its dependency tree and frames.