Colorado State Patrol study finds increase in traffic fatalities after daylight saving clock change

“The bright light in the morning helps to set our body’s internal clock, our circadian rhythm, and so it helps us to know when we should feel awake and alert, and so getting that Morning sunshine will help us adapt faster to that Daylight Savings change,” said Stacey Simon, Sleep Psychologist at Children’s Hospital Colorado [and associate professor of pediatrics].