The Cost of Permanent Daylight Saving Time: The Unhealthy Impact On Children Ending the twice-yearly clock change sounds appealing. But keeping daylight saving time year-round would move winter sunrise an hour later, and a new University of Washington study suggests children would pay a substantial price: at least 2 billion additional trips to school before sunrise across the United States. The researchers also found a troubling safety pattern. In their analysis of U.S. traffic records, fatal crashes involving school-aged pedestrians were roughly twice as likely during dark mornings as after sunrise. The y published their findings on October 29 in Current Biology . “It's called the ‘ Sunshine Protection Act ’ because you get an extra hour of light at the end of the day. But you will take that hour from the morning,” said senior author Horacio de la Iglesia , a University of Washington biology professor. “Nobody wants their kids to go to school in the dark.” What the re...