This week, the teenage inventor gained global attention after being arrested for bringing a clock he made to his high school in Irving, Texas Above all else, Ahmed Mohamed wants some sleep.Early Thursday afternoon, when he would be in school if he weren’t suspended, he curled his 14-year-old frame on a quilted bed. Outside, satellite television trucks loomed on the street, but he stayed hidden in a curtained back room of the family home.On Monday, the teenage inventor stepped with his outsized sneaker on the intersection of several American fault lines – Islamophobia, technology, school violence – when he showed up at school with a homemade clock that his teachers took for a bomb.In the days since he has become a a symbol and a civics lesson far more complex than anything in his ninth-grade social studies class. He has received a call from a Saudi prince, a tweet from President Obama and invitations to Silicon Valley. And he has slept a total of about eight h...