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 My body clock was broken, the pieces cobbled together with Red Bull and Starbucks Double Shots. T. Edward Nickens, Field & Stream, "A Puerto Rican Fishing Road Trip for Silver Kings, Bigmouths, Mullet, and More," 27 May 2020 Eat your meals, take medications, exercise and watch television about the same time every day to keep your body clock in sync. New York Times, "6 Swipes for a Better Night’s Sleep," 15 May 2020 These body clocks, found in nearly every organ of the body and part of the brain, are central and vital to a properly functioning immune system. Satchin Panda, The Conversation, "Beyond sanitizing and social distancing – a healthy circadian rhythm may keep you sane and increase resilience to fight COVID-19," 7 Apr. 2020 The Bruins were dealing with an opponent at less than full strength; the Canucks came to town at the end of a three-in-four stretch, their body clocks adjusting from Pacific to Eastern Standard Time. Matt Porter,, "Four on the floor: Bruins roll over Canucks," 5 Feb. 2020 The Spaniard had also spoken about waking up very early as his body clock adjusts to the Australian time zone. Sarah Holt, CNN, "Novak Djokovic leads Serbia to title at first-ever ATP Cup," 12 Jan. 2020 Disruptions to the body clock have been linked with obesity, depression, diabetes, heart problems and other conditions. Washington Post, "Science Says: How daylight saving time affects health," 31 Oct. 2019 The game kicked off at noon ET, which was 9 a.m. according to body clock of the Cal players. Christopher Smith, al, "Betting Alabama-Ole Miss over will make you money," 23 Sep. 2019 In reference to the external time cues, light is the main controller of the circadian rhythm and really dictates the timing of the body clock, especially in regards to sleep and wakefulness. SELF, "We Asked a Doctor How Much You Need to Care About Your Circadian Rhythm," 4 Sep. 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

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The first known use of body clock was in 1916

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Cite this Entry

“Body clock.” Dictionary, Merriam-Webster, Accessed 21 Sep. 2020.

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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 How to pronounce body clock (audio) \

Medical Definition of body clock

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

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