"The Sandman" is a comic book series created by Neil Gaiman that originally ran from 1989 to 1996. It follows the story of Dream, also known as Morpheus, who is one of the seven Endless beings. The series explores themes of dreams, mythology, and the nature of storytelling, weaving together various characters and narratives from different cultures and time periods. The plot begins with Morpheus being captured and imprisoned for decades, leading to a quest for redemption and the restoration of his realm. Throughout the series, he interacts with gods, historical figures, and other supernatural entities, ultimately addressing the consequences of his actions and the responsibilities of his role as the lord of dreams.