body clock


Definition of body clock 

: 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

Midway through the second half, the Wolverines had a 40-30 lead, as the clock struck midnight back in Detroit – that’s their body clocks. Jeff Seidel, Detroit Free Press, "Michigan basketball ends wait, wins ugly game with beautiful defense," 16 Mar. 2018 Have the genes that control our internal body clocks (there are trillions of clocks at work all at once, said one researcher who spoke to STAT) gone haywire, ramping up or tamping down in weird ways? Megha Satyanarayana, STAT, "Stubborn genes: New research looks at how our bodies respond (or don’t) to night shift work," 7 May 2018 Kickoff is at the awkward time of 10 a.m. on the body clocks of Tijuana’s players. Mark Zeigler,, "Cinderella Xolos head to second semifinal leg at Toluca with lead," 12 May 2018 The company says its regimen of sunset and blue sky exposure is like the system used to help astronauts in space keep their body clocks in sync. Stephanie Rosenbloom, New York Times, "Tools for Sleeping Well While Traveling," 30 Mar. 2018 Without the sun, our circadian rhythm, or body clock, would be impaired. Rebecca Farley,, "Would Simone & Rasmus Have Survived Their Five-Year Bunker Stay In The Rain?," 7 May 2018 So every day, our body clocks need to wind backward by just a little bit to stay on schedule. Brian Resnick, Vox, "Why being a night owl may lead to earlier death," 27 Apr. 2018 The sunlight will program your body clock and help regularize your sleep and wake rhythm. Jamie Ducharme, Time, "5 Easy Ways to Spring Clean Your Health," 11 Apr. 2018 According to Krebs, holding the two pressure points at the same time resets the internal body clock, easing the effects of jet lag. Nicole Defeudis,, "Uplift app says it can deliver a natural remedy to jet lag," 11 Apr. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'body clock.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of body clock

1916, in the meaning defined above

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Time Traveler for body clock

The first known use of body clock was in 1916

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More Definitions for body clock

body clock


English Language Learners Definition of body clock

: a system in the body that controls when you need to sleep, eat, etc.

body clock

\-ˈkläk \

Medical Definition of body clock 

: the internal mechanisms that schedule bodily functions and activities not usually used technically

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lying above or upon

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