Kids, in general, need significantly more sleep than adults—and those who get enough tend to do better in school, be in better physical shape, and struggle less with depression, anxiety ...

Sleep-starved ... six hours or more for adults; 11 to 14 hours for 1- to 2-year-olds; 10 to 13 hours for 3- to 5-year-olds; nine to 12 hours for elementary school children; and eight to 10 hours ...