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When does the body clock begin to synchronize with local time?
April 10, 2026
ST. LOUIS, Missouri, April 10 -- Washington University in St. Louis posted the following news:

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When does the body clock begin to synchronize with local time?

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Humans and most other organisms have internal biological clocks that track the daily cycle of sunrise and sunset. These clocks help time our sleep, metabolism and other essential body functions over the course of a day, creating daily patterns called circadian rhythms. Research sho . . .

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