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Results 1 - 1 of 1 for Vivid hallucination
  1. Narcolepsy 
    ... a few hours at night. They often experience vivid hallucinations while falling asleep (hypnogogic hallucinations) or while waking ... while falling asleep or awakening. The combination of hallucinations, vivid dreams, and sleep paralysis is often frightening and ...
    https://medlineplus.gov/genetics/condition/narcolepsy - Genetics