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circadian rhythm



NOUN
biological rhythm
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

“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

I’ve learned from experts over and over about how exposing yourself to natural light, even on an overcast day, either resets or talks to your circadian rhythm.

From The Wall Street Journal • Feb. 16, 2026

While these findings reveal a strong link, they do not show that circadian rhythm changes directly cause dementia.

From Science Daily • Jan. 3, 2026

It regulates our blood pressure, helps us digest food, keeps our blood sugar stable, and controls our circadian rhythm.

From Slate • Sep. 9, 2025

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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