circadian clock
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.
Zeitzer’s research found that the darker mornings and brighter evenings of permanent daylight saving time weaken the circadian clock for many people.
From Los Angeles Times ● Jul. 14, 2026
And that circadian clock affects more than sleep, also influencing things like heart rate, blood pressure, stress hormones and metabolism.
From Seattle Times ● Mar. 7, 2024
The plant has an internal clock, also known as a "circadian" clock, which enables it to anticipate the regular environmental changes between day and night and between the seasons, and prepare for them accordingly.
From Science Daily ● Feb. 23, 2024
Adult human cells divide every 18 to 24 hours, and one function of the circadian clock is to tell cells to do that at night to avoid DNA damage from sunlight.
From Scientific American ● Jun. 20, 2023
Although plants don't tend to hop onto international flights, any living organism with a circadian clock has the potential to get jet lagged.
From Salon ● Jun. 6, 2023