WASHINGTON (AP) - Most people in the United States are getting an extra hour of sleep this weekend, thanks to the annual shift back to standard time.
Officially, the change comes at 2 a.m. Sunday, but most people usually set their clocks back before heading to bed Saturday night.
Residents of Hawaii, most of Arizona and some U.S. territories don't have to change; Daylight Saving Time is not observed there.
Public safety officials say this is also a good time to put a new battery in the smoke alarm, no matter where you live.
Daylight Saving Time returns at 2 a.m. local time the second Sunday in March - March 8, 2015.
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