Question: what is type 1 narcolepsy?
Answer: Type 1 narcolepsy (previously termed narcolepsy with cataplexy). This diagnosis is based on the individual either having low levels of a brain hormone (hypocretin) or reporting cataplexy and having excessive daytime sleepiness on a special nap test. Type 2 narcolepsy (previously termed narcolepsy without cataplexy).