10 letters · 17 points in Scrabble
noun a sleep disorder characterized by sudden and uncontrollable episodes of deep sleep
originFrom French narcolepsie. By surface analysis, narco- + -lepsy, from Ancient Greek ναρκόω (narkóō, “put to sleep”) + λῆψις (lêpsis, “seizure”).
Etymology from Wiktionary, CC BY-SA 3.0