Assertion: narcolepsy's cataplexy | /r/HasProperty | vivid hallucinations
Facets:
Source sentences:
text: In addition to daytime sleepiness, three other major symptoms frequently characterize narcolepsy: cataplexy, or the sudden loss of voluntary muscle tone; vivid hallucinations during sleep onset or upon awakening; and brief episodes of total paralysisat the beginning or end of sleep.