Dig into how sleep deprivation affects the teenage body and brain, and what can be done to help adolescents get enough sleep. -- Sleep deprivation among American teenagers is an epidemic. Only about 1 in 10 teens gets the 8 to 10 hours of sleep per night recommended by sleep scientists and pediatricians. So, what’s going on? And what changes can be made to address this issue? Wendy Troxel shares