Based from the Time.com , as the teens gets older they give up sleep just to study or do school projects/reports. Kids or teens who stays up late at night have poor academic performances, they having a hard time analyzing and understanding lectures causing them to fail their quizzes and tests. Students stays up late or having overtime on studying than sleeping causing their average time sleep decreased by an average of 41.4 minutes.
Study or Sleep? For Better Grades, Teens Should Go to Bed early
Coming To School Late 