There's a problem for them [teens] when they have to get up and go to school in the morning, they're very sleepy, yet on the weekends, they'll sleep 12 hours, they'll sleep late and then go to bed late and wake up late. And on vacations, it's not a problem.
![There's a problem for them [teens] when they have to get up and go to school in the morning, they're very sleepy, yet on the weekends, they'll sleep 12 hours, they'll sleep late and then go to bed late and wake up late.](http://cdn.quoteddaily.com/images/shelby-harris/theres-a-problem-for-them-teens-when-they-have-to-get-up-and-go-to-school-in-the-morning-theyre.jpg)