First, students work better when well rested. Teens have a hard time sleeping before 11:00 pm due to biological sleep patterns. From what has been researched, 15% of teens get a minimum of eight and a half hours of sleep. Lack of sleep impacts overall student health, wellbeing, academic success, and it can even have long-term health consequences.
Secondly, more time to do things before school. For example, more time to fully wake up, shower, eat breakfast, make sure everything is prepared