succubae

/ˈsʌkjʊbiː/
noun
  1. Plural form of succuba; female demons or evil spirits in folklore that visit sleeping people.
    • In mythology, succubae were often blamed for nightmares and sleep paralysis.
    • The old book contained illustrations of succubae with bat-like wings.
    • The film portrayed succubae as dangerous creatures that prey on human dreams.