With their brains, sleep patterns, and eyes still developing, children and adolescents are particularly vulnerable to the sleep-disrupting effects of screen time, says Monique LeBourgeois, an associate professor in the Department of Integrative Physiology at the University of Colorado Boulder and lead author to a sweeping review of literature published today in the journal Pediatrics. She explains that the studies point to the reasons why digital media adversely affects the sleep of children and adolescents.