Sleep is important for everyone’s health, but it’s particularly important for children and teenagers, whose brains are still growing. Teenagers are biologically inclined to stay up later, resulting in two-thirds of young people being seriously sleep deprived. Lack of sleep can lead to obesity, depression, smoking, drinking, lower grades, and can contribute to car crashes. To prevent these things, health experts recommend that middle and high schools start no earlier than 8:30 a.m. School districts are not following this recommendation, however, as five out of six schools start before then. Listen to more about this ongoing public health issue.