"When the Sleeper Wakes" is a dystopian science fiction novel by H. G. Wells. It tells the story of Graham, a man who falls into a deep sleep and wakes up two centuries later in a futuristic, dystopian society. Society is highly advanced but also deeply troubled with a ruling elite, oppressed masses, and advanced technology used for control. The story follows Graham's struggle to reclaim his past and salvage a future for humanity.