Clocks will move back an hour as most of America returns from daylight saving to standard time at 2 a.m. local time Sunday.

Daylight saving time, which began on March 9 this year, shifts the clocks forward for an hour. The practice dates back to 1918 as a measure to conserve fuel during World War I.

Since then, the system has been losing support from the American public. Only 12% of U.S. adults favor the current system, and 47% oppose it, according to a recent AP-NORC poll.

All states except Arizona and Hawaii currently observe daylight saving time and will make the change on Sunday. But there are ways to ease that transition, experts said.

Dr. Kenneth Lee, a neurologist and the medical director of the University of Chicago Medicine’s Sleep Center, said people should begin pushing back

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