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body clock
noun
: the internal mechanisms that schedule periodic bodily functions and activities
—usually not used technically
Examples of body clock in a Sentence
It takes a while for my body clock to get adjusted when I fly from New York to London.
Recent Examples on the Web
This is meant to follow peoples’ body clocks, but may interrupt your sleep.
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Ramsey Qubein, Condé Nast Traveler, 31 July 2023
Early birds ranked themselves as more than five years older than evening types, also known as night owls, and four years older than intermediate types, people with a body clock that doesn’t fit either extreme.
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Sandee Lamotte, CNN, 26 Mar. 2024
Sleep experts, for example, are concerned about the impact of forcing a human to wake up at an allotted time—and subsequently back to sleep—as opposed to allowing a person’s body clock to synchronize with natural daylight hours.
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Eleanor Pringle, Fortune, 23 Mar. 2024
And they were given the early practice, at 10 a.m. local time (7 a.m. on their body clocks), while the other three teams here — all from the Central or Eastern time zones — went later.
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Mark Zeigler, San Diego Union-Tribune, 28 Mar. 2024
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These examples are programmatically compiled from various online sources to illustrate current usage of the word 'body clock.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
First Known Use
1916, in the meaning defined above
Dictionary Entries Near body clock
Cite this Entry
“Body clock.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/body%20clock. Accessed 19 Aug. 2024.
Medical Definition
body clock
noun
: the internal mechanisms that schedule bodily functions and activities
—not usually used technically
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