WASHINGTON — In just a few days, millions of Americans will lose an hour of sleep as daylight saving time begins. Starting Sunday, Mar. 8, clocks will "spring forward" an hour at 2 a.m. local time.

Mar. 17—Now that we're more than two weeks into daylight saving time, most of us likely have adjusted to that one-hour time change. Since it's an annual ritual, springing forward simply represents the ...