Well, it all started with a strange accident involving some sort of magical dust or substance that transformed him. But the details can get pretty complex.
It's quite faithful. The Sandman series mostly sticks to the original comics, with only a few minor differences that don't change the main plot or character developments.
Sure is. The TV show The Sandman is an adaptation of the popular comic series. It retains many key elements and storylines from the comics while adding some visual and narrative enhancements for the medium of television.
Sure is. Sandman has a prominent place in DC Comics. It's known for its unique artistic style and deep, philosophical themes that have added depth to the DC comic book landscape.
The Sandman comics consist of a significant number of issues and volumes. But the exact length can vary depending on how you count and which editions you consider.
In certain comic arcs, Sandman meets his demise. However, the circumstances and consequences can vary greatly depending on the creative direction of the writers and the overarching narrative of that particular comic series.