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
Light therapy glasses work by mimicking natural sunlight, which helps regulate your body’s internal clock and boosts mood-regulating hormones like serotonin.
—
Sandra Rose Salathe, Flow Space, 13 Dec. 2024
Baseball’s internal clock can be deceptively fast that way.
—Andrew Baggarly, The Athletic, 17 Aug. 2024
The circadian rhythm is our body’s internal clock that maintains behavior and physiology according to our environment.
—Gina Park, CNN, 2 Nov. 2024
Your circadian rhythm is your body's 24-hour natural internal clock in the brain that manages alertness and sleepiness.
—Lana Barhum, Verywell Health, 24 Oct. 2024
See all Example Sentences for internal clock 
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Sandra Rose Salathe, Flow Space, 13 Dec. 2024
Baseball’s internal clock can be deceptively fast that way.
—Andrew Baggarly, The Athletic, 17 Aug. 2024
The circadian rhythm is our body’s internal clock that maintains behavior and physiology according to our environment.
—Gina Park, CNN, 2 Nov. 2024
Your circadian rhythm is your body's 24-hour natural internal clock in the brain that manages alertness and sleepiness.
—Lana Barhum, Verywell Health, 24 Oct. 2024
See all Example Sentences for internal clock
Dictionary Entries Near internal clock
Cite this Entry
“Internal clock.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/internal%20clock. Accessed 31 Dec. 2024.
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