'Fall Back': Tips for Navigating the Time Change
By E.J. Mundell
FRIDAY, Nov. 2, 2018 (HealthDay News) -- The hour you "lost" with daylight savings time in the spring you "gain back" on Sunday, when clocks are set an hour back.
And every time shift takes a subtle toll on the human mind and body, experts say.
Still, "for most people, it is easier to stay up an hour later than to go to bed an hour earlier," said Dr. Steven Feinsilver, who directs sleep medicine at Lenox Hill Hospital in New York City. "This is thought to be because for most of us our 'internal clock' is closer to a 25-hour cycle than a 24-hour cycle."
https://www.webmd.com/sleep-disorders/news/20181102/fall-back-tips-for-navigating-the-time-change#1