In Discworld mythology, a neuralger is a female demon which comes to men in their dreams in order to give them a headache. The Discworld is the setting for all of Terry Pratchetts Discworld series of novels. ... Jump to: navigation, search In folklore, mythology, and religion, a demon or demoness is a supernatural being that has generally been described as a malevolent spirit but outside Christian circles was viewed as a sort of elemental spirit: compare Daemon and djinn. ... Image of a man on the Pioneer plaque sent to interstellar space A man is a male human adult, in contrast to an adult female, which is a woman. ... Dreaming is the subjective experience of remembered and imaginary images, sounds/voices, words, thoughts or sensations during sleep, usually involuntarily. ...
See also
Succubus, female demon believed to seduce men in their sleep;
The succubus is a type of tanar'ri (demon) in the Dungeons and Dragons fantasy role-playing game; for more information, see Succubus (Dungeons and Dragons).
A succubus-like creature called a neuralger appears in Terry Patchett's Discworld novel Eric.