Chapter 6 Did ghosts sleep? They didn’t eat or get cold. They didn’t bake in the summer heat, and they didn’t get dirty. They didn’t shower, and except in rare cases, they couldn’t interact with the world at all. Yet, despite forty-seven years of experience, Cooper could not answer a simple question. He just couldn’t say if ghosts slept, and if they did, why they would need to. He never felt tired. Floating around all day didn’t exactly exhaust a person. And exhaustion was a result of biology—and ghosts certainly did not have biological functions. Except, of course, in rare cases. Even so, Cooper definitely felt there were times when he left the world. Times when he ceased to exist in any meaningful way. He didn’t have a body to preserve his space in the world. He didn’t dream. He didn’t

