time change time change
Stories About

time change

Even a one-hour change in the clock can disrupt the body's circadian rhythms, especially when the clock "springs forward." Charlie Riedel/AP hide caption

toggle caption
Charlie Riedel/AP

Changing our clocks is a health hazard. Just ask a sleep doctor

  • Download
  • <iframe src="https://www.npr.org/player/embed/1162345477/1162390669" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">

Early mornings may still feel dark and wintry, but the season is about to change. This weekend most of the U.S. will "spring forward" — setting clocks forward one hour — as daylight saving time begins. Maja Hitij/Getty Images hide caption

toggle caption
Maja Hitij/Getty Images

In this March 5 photo, antique clocks are displayed at the Electric Time Company in Medfield, Mass. Daylight saving time returns Sunday at 2 a.m. local time. Charles Krupa/AP hide caption

toggle caption
Charles Krupa/AP