internal clock
Americannoun
Etymology
Origin of internal clock
First recorded in 1955–60
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
However, it adds to growing evidence around chrononutrition, a field that looks at how the body's internal clock influences how food is processed.
From Science Daily • May 1, 2026
My internal clock wherever I am just knows it’s 4 p.m. and I get a little sad.
From Los Angeles Times • Jul. 25, 2025
Additionally, disruptions to the body's internal clock can affect astronaut's sleeping and eating cycles.
From Salon • Mar. 15, 2025
Prof Luscher said that - like the researchers suggest - it is "possible" that coffee drinking later in the day could disrupt out bodies internal clock at a time we should be resting.
From BBC • Jan. 8, 2025
No. His internal clock doesn’t work that way.
From "Flying to the Moon: An Astronaut's Story" by Michael Collins
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.