narcolepsy

From French narcolepsie. Surface etymology is narco- +‎ -lepsy, from Ancient Greek ναρκόω (narkóō, “put to sleep”) +‎ λῆψις (lêpsis, “seizure”).

narcolepsy (countable and uncountable, plural narcolepsies)

1. (pathology) A disorder characterized by sudden and uncontrollable attacks of deep sleep, often brief, sometimes accompanied by paralysis and hallucinations

   Excitement-induced narcolepsy caused him to sleep through the most important events of his life.

• narcoleptic