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
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Yet much of the conventional advice about jet lag doesn’t address the key mechanism that helps your internal clock adjust. — Jd Shadel, Condé Nast Traveler, 22 Sep. 2026 The strategy is based on the idea that eating in alignment with your internal clock helps synchronize your body, leading to benefits. — Maggie Donahue, HEALTH, 1 Sep. 2026 Ulysses was also working against its own internal clock, needing to add more employees in short order to keep up with its growth. — Matthew Geiger, Denver Post, 20 Aug. 2026 The Caribbean has a way of slowing your internal clock, and breakfast at Celeste embraces that philosophy. — Datwon Thomas, VIBE.com, 8 Aug. 2026 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 4 Oct. 2026.

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