Cell phones, tablets and computers are keeping children and teenagers awake at night—even when they’re not being used, new research has found.

The paper, published in JAMA Pediatrics, found that media devices are contributing to reduced sleep quality and quantity, as well as trouble staying awake the next day. According to the study, 72% of all children and 89% of adolescents have at least one device in their sleep environment, with most of them used near bedtime. Read more ›