Assertion: narcolepsy's symptom | /r/CapableOf | manifest as extreme sleepiness
Facets:
value: usually
type: DEGREE
value: throughout the waking period
type: TEMPORAL
Source sentences:
text: Although the media often portrays narcoleptics as suddenly flipping in and out of waking/sleep like a light switch, the symptoms usually manifest as extreme sleepiness throughout the waking period that often becomes irresistible," says Dr. Peter Fotinakes, medical director of the Sleep Disorders Center at St. Joseph Hospital in Southern California.