body clock

noun

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

In advanced sleep phase, your body clock (circadian rhythm) is on a schedule hours earlier than most other people’s. baltimoresun.com, "Are you an ‘extreme early bird’?," 11 Sep. 2019 In advanced sleep phase, your body clock (circadian rhythm) is on a schedule hours earlier than most other people’s. chicagotribune.com, "Are you an ‘extreme early bird’?," 20 Aug. 2019 From inside-out hydration to keeping one’s body clock in check, here an array of wellness-minded experts weigh in on how to land looking—and feeling!—totally refreshed. Lauren Valenti, Vogue, "How to Take a Long-Haul Flight—And Land Looking Totally Refreshed," 5 Aug. 2019 Daily exposure to light and darkness helps maintain our 24-hour body clock, which regulates metabolism, sleep-promoting hormones, blood pressure, and other bodily functions. Washington Post, "Sleeping with the TV on may make you gain weight," 10 June 2019 The body clock might be rewired, but Woods knows the clock is ticking on his career. Rob Hodgetts, CNN, "Tiger Woods laughs off Brooks Koepka's snub ahead of The Open," 16 July 2019 The team’s work joined a handful of other studies suggesting that body clocks were more widely distributed than people had thought. Quanta Magazine, "How the Body’s Trillions of Clocks Keep Time," 15 Sep. 2015 Walnuts are one of the best food sources for melatonin, a hormone that helps regulate the body clock for a better night's sleep. Woman's Day Kitchen, Woman's Day, "Pear & Walnut Salad," 21 Dec. 2018 From inside-out hydration to keeping one's body clock in check, here is an array of wellness-minded experts weigh in on how to land looking—and feeling!—totally refreshed. Lauren Valenti, Vogue, "How to Take a Long Haul Flight—and Land Looking Totally Refreshed," 23 Aug. 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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Statistics for body clock

Last Updated

15 Sep 2019

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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

noun

English Language Learners Definition of body clock

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

body clock

noun
\ -ˈkläk How to pronounce body clock (audio) \

Medical Definition of body clock

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

Comments on body clock

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