Sleep Foundation.org - http://www.sleepfoundation.org/. As the evidence states, without enough sleep, students are put in danger. Later school start times improve academic performance. In a study, Harvard and the University of Nevada found that starting school later in the day led to a 12% increase in the number of students making good academic progress and getting better grades. This shows that starting school later improves academic achievement and progress in the long run. Another study done by the National Sleep Foundation found that both attendance and graduation rates significantly improved in schools that delayed start times to 8:30 or later. Many students go to bed later because of the demands from homework and extracurriculars, so by providing extra time it sets students up to have a more productive day, says economics professor Finley Edwards. This means fighting for later start times will improve graduation rates. While you may think “just set an earlier bedtime” for your students, they can't just easily go to bed earlier and here is