The first alarm clock could only ring at 4 a.m. The first American alarm clock was invented by Levi Hutchins in 1787. It took 60 years for French inventor Antoine Redier to patent an adjustable one!
100 Mind-Blowing Hutchins Facts
The first alarm clock could only ring at one time. One time! The first mechanical alarm clock that could only ring at 4 a.m. was invented by Levi Hutchins in 1787. It wasn’t until 1876 that a wind-up alarm clock was made that could be set for any time.