Assertion: narcolepsy's symptom | /r/CapableOf | worsen for first few years
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: The signs and symptoms of narcolepsy may worsen for the first few years and then continue for life.
text: The symptoms usually worsen after the first few years.
text: The signs and symptoms of narcolepsy may worsen for the first few years and then continue for life.