"Sanatorium Under the Sign of the Hourglass" is a novel by Polish author Bruno Schulz, published in 1937. The story is set in a surreal sanatorium where the protagonist, Jakub, explores themes of time, memory, and identity. The narrative blends reality with dreamlike elements, creating a unique atmosphere that reflects the complexities of human experience. The novel is notable for its rich, poetic language and vivid imagery, characteristic of Schulz's writing style. It delves into the psychological aspects of its characters, revealing their inner struggles and desires. The work is often regarded as a significant contribution to modernist literature.