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Synonyms

internal clock

American  

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