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Definitions

circadian

[sur-key-dee-uhn] / sɜrˈkeɪ di ən /


Example Sentences

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The circadian rhythm plays a central role in regulating cardiovascular and metabolic function.

From Science Daily

D.V.M.; a research fellow in the division of sleep and circadian disorders at Brigham and Women's Hospital and Harvard Medical School, both in Boston.

From Science Daily

He earned his PhD in 2006 from the Graduate School of Science at Nagoya University, where he studied the circadian clock in cyanobacteria.

From Science Daily

Biological sleep rhythms, known as circadian rhythms, naturally change during adolescence.

From Science Daily

Research published on December 29, 2025, in Neurology, the medical journal of the American Academy of Neurology, found that people with weaker and more irregular circadian rhythms were more likely to develop dementia.

From Science Daily