Get ready to fall back to bed.

Sunday marks the end of daylight saving time. If you haven't already, set your clocks back an hour and enjoy the extra hour of sleep.

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Daylight saving time came into existence in 1916 as a response to World War I in Europe. In 1966, President Lyndon B. Johnson signed the Uniform Time Act into law, leading the country to fall back in November and spring ahead in March.

Through the years, the schedule for daylight saving time has been revised. According to, the current schedule began in 2007 following the 2005 Energy Policy Act. 

Arizona and Hawaii have forgone daylight saving time, and Utah is expected to join their club.