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
Looking ahead, the researchers plan to conduct randomized trials to confirm these preliminary findings and pinpoint optimal treatment windows based on individual patients’ chronotypes (internal body clocks).
—
Melissa Rudy, FOXNews.com, 23 Dec. 2025
Then, sleep strategically to help your body clock reset.
—Alesandra Dubin, Southern Living, 15 Dec. 2025
Maybe their internal body clocks hit the snooze button more than once then, given this was a rarity in a sense.
—Roderick Boone, Charlotte Observer, 29 Nov. 2025
Exercise is another powerful cue for your body clock and an excellent way to improve sleep quality.
—Katia Hetter, CNN Money, 3 Nov. 2025
See All Example Sentences for body clock
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Melissa Rudy, FOXNews.com, 23 Dec. 2025
Then, sleep strategically to help your body clock reset.
—Alesandra Dubin, Southern Living, 15 Dec. 2025
Maybe their internal body clocks hit the snooze button more than once then, given this was a rarity in a sense.
—Roderick Boone, Charlotte Observer, 29 Nov. 2025
Exercise is another powerful cue for your body clock and an excellent way to improve sleep quality.
—Katia Hetter, CNN Money, 3 Nov. 2025
See All Example Sentences for body clock
Cite this Entry
“Body clock.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/body%20clock. Accessed 10 Jan. 2026.
Copy CitationMedical Definition
body clock
noun
: the internal mechanisms that schedule bodily functions and activities
—not usually used technically
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