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circadian rhythm



NOUN
biological rhythm
Synonyms


Example Sentences

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It’s an active part of metabolism, your circadian rhythm, inflammation control, blood sugar, and blood pressure.

From Slate ● Oct. 9, 2026

To protect his circadian rhythm, he wears red-light glasses every night as he winds down before bed.

From The Wall Street Journal ● Oct. 8, 2026

Seeing bright light in the morning, which is good for regulating your circadian rhythm - that is, your body's natural clock.

From BBC ● Sep. 3, 2026

“I’ve noticed it makes me very low energy because my circadian rhythm relies on the sunrise to really wake up,” said Hannah M. Le, founder of Buckle Scrunchies, a hair-tie brand.

From MarketWatch ● Mar. 6, 2026

Not only was this arrangement bad for the astronaut’s circadian rhythm, but the astronaut who was on duty made enough noise as he went about his work to keep his partner awake.

From "Flying to the Moon: An Astronaut's Story" by Michael Collins


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