Nightdemon

Nightdemon is a term used to refer to multiple subjects in culture and fiction. In folklore and myth, a night demon describes a nocturnal, malevolent entity believed to stalk sleepers during the night. Depictions vary by culture and era, with some traditions linking such beings to sleep disturbances, dreams, or the impulses of night. In modern fantasy, night demons are often treated as generic demon or spirit creatures associated with darkness and fear.

In music, Night Demon (often styled as Night Demon or Nightdemon) is an American heavy metal band formed in the early 2010s. The group is associated with traditional metal influences and has released several recordings and performed internationally, touring with other acts in the genre. The band's name is frequently cited in discussions of contemporary acts reviving classic metal aesthetics.

In other media, the term nightdemon appears as a creature or character in various works of fiction, including video games and literature. The exact portrayal depends on the work, but it typically emphasizes nocturnal activity and a menacing presence. Some independent creators use the name to evoke a mood of darkness or danger.

Because Nightdemon spans different domains, sources should be consulted to determine which usage is intended in a given context.