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Definitions

internal clock

NOUN
biological rhythm
Synonyms




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.

When it is bright, our internal clock feels we should be awake.

From BBC • Apr. 16, 2025

You really have to be thoughtful of your act structures and that internal clock.

From Salon • Aug. 12, 2024

The theory behind time-restricted eating is that it supports the circadian rhythm, or the body’s internal clock.

From Seattle Times • Jun. 1, 2024

This can disrupt the 24-hour internal clock in people and impair sleep.

From Science Daily • Mar. 25, 2024

No. His internal clock doesn’t work that way.

From "Flying to the Moon: An Astronaut's Story" by Michael Collins