#dream  a series of mental images and emotions occurring during sleep; "I had a dream about you last night"
  supertype:  #imaging__imagination__mental_imagery  the ability to form mental images of things or events; "he could still hear her in his imagination"
  part of:  #sleeping.sleep
  subtype:  #nightmare  a terrifying or deeply upsetting dream
  subtype:  #wet_dream  an erotic dream (usually at night) accompanied by the (nocturnal) emission of semen

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