New Research Suggests It's Time to Stop Changing the Clocks

For decades, twice a year the vast majority of Americans have switched their clocks an hour forward in the spring and an hour back in the fall. The intended goal is to best utilize available daylight, but studies suggest the bi-annual back and forth can actually negatively impact productivity, safety and even your health. NBC’s Emilie Ikeda reports for TODAY on the great debate that comes around every year like clockwork.