News Animals Deer-vehicle collisions spike when daylight saving time ends Year-round daylight saving time could keep tens of thousands of deer and dozens of people alive Turning the clocks back after daylight saving time means more people drive in the dark — and are more likely to run into deer. Scientists estimate keeping daylight saving time could save dozens of human lives. frontpoint/iStock/Getty Images Plus Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Bethany Brookshire November 2, 2022 at 11:00 am People pay deerly for the switch from daylight saving time.