<human>:  How did the art movement ‘surrealism’ start?
<bot>: The movement started in the 1920s, and was inspired by the writings of Sigmund Freud. In particular, the movement was inspired by his theories of dreams, and how dreams can reveal the hidden thoughts of the dreamer. The surrealists were interested in creating works of art that expressed the unconscious thoughts of the artist. They also were interested in exploring the relationship between dreams and reality.