Historically in Europe, people feared the incubus, an evil spirit that lies on sleepers, and the succubus, a demon that takes a female form to have sex with men during sleep.

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• Person: Not available Organization: Harvard Gazette
  Alien abduction claims examined - Harvard Gazette

Sources

• Alien abduction claims examined - Harvard Gazette news.harvard.edu Harvard Gazette via serper

Referenced by nodes (1)

• Europe entity