narcolepsy
B2CEFR level
50/100Rarity: uncommon
TechnicalRegister
A chronic sleep disorder characterised by overwhelming daytime sleepiness and sudden attacks of sleep.
Her narcolepsy caused irresistible sleep attacks in the middle of conversations and even while eating.
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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