Teens Are Sleep-Deprived, And Screens Are Why, Study Suggests

As we wrote earlier this year, the National Sleep Foundation recommends teenagers get between 8 and 10 hours of sleep nightly. Contrast that to the findings by researchers, who say that beginning in 2009 when smartphone use became widespread, there was a 17 percent increase of students reporting sleeping 7 hours or less per night, which sleep experts term as insufficient.