Cristina Sevin knows the drill. Her 15-year-old son Isaac's first alarm goes off at 6:05 a.m.
When he sleeps right through it, Mom starts the nudging. But she also has to wake up 16-year-old Lily. She flips on the bedroom lights. "Lily, you gotta get up!"
They have to be out the door before 6:35 a.m. in their Annapolis, Md., neighborhood in order to catch the bus for a 7:17 school start. "I wish I didn't have to be awake right now," says Lily.