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
Have no fear, another option to lessen the impact of this change on your body’s circadian rhythm (the body’s internal clock controlling our sleep and wake cycles) is to simply set your clocks ahead one hour on Saturday and go to sleep at your normal bedtime.
—
Katia Hetter, CNN, 8 Mar. 2025
Stick to a Routine: Consistency is key for resetting your internal clock, so aim to wake up and go to bed at the same time daily.
—Matt Rozo, The Mercury News, 4 Mar. 2025
Physiological changes also play a role, including the fluctuation of chemicals involved with the body’s internal clock, the circadian rhythm.
—Hannah Singleton, Health, 20 Feb. 2025
Why McDonald’s Pokémon Happy Meals Are A Family Favorite In 2025
Light is a key regulator of the circadian rhythm, the internal clock controlling our sleep-wake cycles.
—Maria Sokolina, Forbes, 22 Jan. 2025
See All Example Sentences for internal clock
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Katia Hetter, CNN, 8 Mar. 2025
Stick to a Routine: Consistency is key for resetting your internal clock, so aim to wake up and go to bed at the same time daily.
—Matt Rozo, The Mercury News, 4 Mar. 2025
Physiological changes also play a role, including the fluctuation of chemicals involved with the body’s internal clock, the circadian rhythm.
—Hannah Singleton, Health, 20 Feb. 2025
Why McDonald’s Pokémon Happy Meals Are A Family Favorite In 2025
Light is a key regulator of the circadian rhythm, the internal clock controlling our sleep-wake cycles.
—Maria Sokolina, Forbes, 22 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 16 Apr. 2025.
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