Lauren Neergaard

Mar 3, 2025 | pbs.org | Lauren Neergaard |Fred de Sam Lazaro

WASHINGTON (AP) — Most of America “springs forward” Sunday for daylight saving time and losing that hour of sleep can do more than leave you tired and cranky the next day. It also could harm your health. WATCH: The history of daylight saving time and its effect on our healthDarker mornings and more evening light together knock your body clock out of whack — which means daylight saving time can usher in sleep trouble for weeks or longer.