Assertion: narcolepsy | /r/HasProperty | due
Facets:
value: to a medical condition
type: CAUSE
value: to hypersomnia of unknown etiology
type: CAUSE
Source sentences:
text: Narcolepsy without cataplexy has been a topic of debate since, without clear-cut cataplexy, symptoms of narcolepsy (without cataplexy) may be due to hypersomnia of unknown etiology.
text: In secondary narcolepsy (narcolepsy that is due to a medical condition), excessive daytime sleepiness must be present almost daily for at least three months, and a significant underlying medical or neurological disorder that accounts for the daytime sleepiness must be present along with one of the following criteria:a) a definitive history of cataplexy, or