University of Alabama researchers say 3-5 year olds should be getting 11-to-13 hours of sleep per night; 5-12 year olds at least 10 or 11.
As for adolescents, they actually need nine hours of sleep. Adolescents are typically the most sleep deprived population in school.
Experts say, missed hours of sleep can add up and have detrimental effects on children. They add,parents should remove electronic devices from their child's room, making it as calm and peaceful as possible.