circadian rhythm
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.
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
The pineal gland produces melatonin, a hormone that helps control the body's circadian rhythm, including sleep patterns.
From Science Daily ● Apr. 27, 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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