Sylvester Sound: The Somnambulist is a novel written by Henry Cockton and first published in 1844. The story follows the adventures of the eponymous hero, Sylvester Sound, who is a sleepwalker. The novel is set in the early 19th century and is a satirical commentary on the social and political issues of the time.Sylvester Sound is a young man who is prone to sleepwalking. He lives with his mother in a small village and spends his days working as a...