Meaning of sundown

sun•down

Pronunciation: (sun'doun"), [key]
— n.
  1. sunset, esp. the time of sunset.
—v.i.
  1. to experience confusion or hallucinations at night as a result of strange surroundings, drug effects, decreased sensory input, or reduction of oxygen supply to the brain.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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