Many studies have shown that the average adolescent doesn't get enough sleep, and that can cause physical and mental health issues.
A decade ago, many in the Arab world saw Osama bin Laden as an important figure, even if they did not approve of his methods.
Our guest, Anthony Shadid, says that the uprisings across the region show that for today’s young people, bin Laden is a historical footnote and his death serves as the epitaph for an era long past. But the grievances bin Laden articulated are still present today. Anthony Shadid is Middle East correspondent for the New York Times.