Dr. Sleep Getting eight hours of sleep every day is difficult in the modern industrialized world, so I don't blame my uncle for falling asleep in front of me right in the middle of his sentence. This summer he gave me the opportunity to volunteer at his clinic, which allowed me to observe him up close. He had spent nights without sleep. “Caaa-ching!” he told me. “This is why I can't stop working. It's like hearing the never-ending sound of the jackpot in a slot machine!” Until now I had never noticed the importance he gave to money. My uncle has taught me many things, but last summer, while I was helping him at his clinic, he helped me recognize what I want from my life. I have been visiting my grandparents every year since 2008. The old couple is alone most of the time, and they love it when I come to visit them for the summer. My uncle lives a few blocks away. I always saw him when he visited my grandparents, but I never got to know him more than usual social conventions allow. This summer was different. He offered me the opportunity to volunteer at his clinic. My tasks were simple, yes...