internal clock
noun
1
: a system in the body that controls when a person needs to sleep, eat, etc.
The long trip upset my internal clock and I had a hard time getting to sleep.
2
: a clock or timing device that is inside a computer
Examples of internal clock in a Sentence
Recent Examples on the Web
Experts are quick to point out the importance of your circadian rhythm, which is your body’s internal clock that regulates your sleep-wake cycle.
—
Rosie Marder, Travel + Leisure, 10 Mar. 2025
Exercise is an environmental cue that helps signal your internal clock.
—Brittney Melton, NPR, 19 Dec. 2024
Stop eating a few hours before bed Another crucial player in your body’s internal clock?
—Ashley Abramson, Allure, 13 Feb. 2025
Your Circadian Rhythm May Influence Your Symptoms Your circadian rhythm is your body’s 24-hour internal clock.
—Korin Miller, Verywell Health, 10 Jan. 2025
See All Example Sentences for internal clock
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Rosie Marder, Travel + Leisure, 10 Mar. 2025
Exercise is an environmental cue that helps signal your internal clock.
—Brittney Melton, NPR, 19 Dec. 2024
Stop eating a few hours before bed Another crucial player in your body’s internal clock?
—Ashley Abramson, Allure, 13 Feb. 2025
Your Circadian Rhythm May Influence Your Symptoms Your circadian rhythm is your body’s 24-hour internal clock.
—Korin Miller, Verywell Health, 10 Jan. 2025
See All Example Sentences for internal clock
Cite this Entry
“Internal clock.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/internal%20clock. Accessed 31 Mar. 2025.
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