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Definitions

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.

Throughout the day, the lighting changes color to match the circadian rhythms of its traders: amber in the morning, blue-white at midday and an amber glow late in the day.

From The Wall Street Journal • Jun. 20, 2026

However, sleep scientists and medical groups generally argue in favor of permanent standard time, saying it better aligns with human circadian rhythms and reduces health risks.

From Los Angeles Times • Mar. 7, 2026

Robertson says light pollution is increasing, which affects human circadian rhythms, and the lives of other species.

From BBC • Feb. 28, 2026

A team of researchers at Washington University School of Medicine in St. Louis has now demonstrated, in mouse models, that Alzheimer's disease disrupts circadian rhythms within specific brain cells.

From Science Daily • Nov. 3, 2025

But because that's how my circadian rhythms were set.

From "Counting by 7s" by Holly Goldberg Sloan




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