narcolepsy

noun

a sleep disorder characterized by sudden and uncontrollable episodes of deep sleep
突然で抑制できない熟睡状態の発現を特徴とする睡眠障害
- he believes that narcolepsy is attributable to an inability to suppress REM sleep during waking
  彼は、ナルコレプシーは覚醒時のレム睡眠を抑制できないことに起因していると考えている

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