Assertion: narcolepsy's difficulty | /r/CapableOf | return to sleep
Facets:
value: following a period of wakefulness
type: TEMPORAL
Source sentences:
text: For many, nighttime sleep can be disturbed and fragmented from frequent waking; difficulty returning to sleep adds to the sleep disruptions.
text: Fragmented Sleep: Disruptions in sleep can involve frequent movements, vivid dreams, periods of wakefulness, and difficulty returning to sleep following a period of wakefulness.
text: They may wake up frequently and have difficulty returning to sleep.