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Alarm clock trivia:The first alarm clock only sounds at 4 AM

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The world’s first alarm clock was invented by Levi Hutchins in 1787. His purpose was to prevent himself from sleeping at work, so it was only set to sound at 4 am

Alarm clock trivia:The first alarm clock only sounds at 4 AM
Alarm clock trivia:The first alarm clock only sounds at 4 AM

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