Medical Mystery: The Boy Who Couldn't Sleep

Rhett Lamb, 3, is often irritable, but it's not just the routine growing pains of a toddler's life that has affected him. It's the fact that Rhett can't sleep. "We went to the doctor after he was born, and I kept telling him something was wrong. He didn't sleep. They thought I was being kind of an anxious mom, and we went back and forth," Rhett's mother, Shannon Lamb, said. "Finally, they [were] starting to realize now that he really doesn't sleep at all. But we've had a lot of different...Full Story