Assertion: narcolepsy's sleepiness | /r/HasProperty | diagnosed by sleep centers
Facets:
value: after sleep apnea
type: TEMPORAL
Source sentences:
text: Narcolepsy is a frequent disorder: it is the second leading cause of excessive daytime sleepiness diagnosed by sleep centers after obstructive sleep apnea.
text: It is a frequent disorder, the second leading cause of excessive daytime sleepiness diagnosed by sleep centres after sleep apnea.