Sandman is a comic book series written by Neil Gaiman and illustrated by various artists, including Sam Kieth and Mike Dringenberg. It follows the story of Dream, also known as Morpheus, the personification of dreams. Sandman is known for its rich mythology, intricate storytelling, and exploration of themes such as the nature of reality, the power of dreams, and the role of storytelling in shaping our lives. It has been highly influential in the world of comics and fantasy literature.