You have to wake, he would tell himself, you have to wake right now, or you’ll go dreaming into death. Once or twice he pinched his arm with his fingers, really hard, but the only thing that did was make his arm hurt. In the beginning he had tried to count the days by making note of when he woke and slept, but down here sleeping and waking had a way of melting into one another. Dreams became lessons, lessons became dreams, things happened all at once or not at all. Had he done that or only dreamed it?