入にゅう眠みん時じ幻げん覚かく

noun

hypnagogic hallucination

Medical term for vivid sensory experiences that occur while falling asleep.

• 入にゅう眠みん時じ幻げん覚かくは、眠ねむりに入はいる直ちょく前ぜんに現あらわれる幻げん覚かくです。

  Hypnagogic hallucinations are hallucinations that appear just before falling asleep.