The narrator wakes up to find a man lying on the floor. He thinks the man drank too much, but he can't figure out why he's there. He's not sure if the man wants to leave or whether he wants to go back in. The narrator thinks that the man's chance of having a nightmare is lower than that of the other man, but the narrator doesn't know what to make of this. He wonders if the other guy's chances are even lower than the other one's. He also wonders why the narrator has been having nightmares for the past ten years. The professor explains that the cause of his nightmares is loneliness. He says that if you don't sleep well, you'll have nightmares. He suggests that the importance of waking up earlier is even more important than the fact that you need to get a good night's sleep. He concludes by recommending an article about the "truth about nightmares," which explains that dreams are actually causing mischief. The author concludes by saying that mornings are the "best time to sleep" and that it's the narrator's fault that he has to go to class because he didn't wake up early enough. He tells the narrator that he heard that the other student couldn't make it to class this morning because he was getting some fresh air with the man from his dream. He explains that he thought the man was the one from the dream, and that he asked the other students if he was the same man. The other students said that he was, and the narrator says that he is the only one who hasn't yet eaten. He asks the man if he'd been sitting next to that man in class the day before, and he replies that he did. He goes on to say that