Which of the following aspects of her medical history and sleep analysis would contribute to a confirmation of the diagnosis?

A 17-year-old female is suspected of having narcolepsy. Which of the following aspects of her medical history and sleep analysis would contribute to a confirmation of the diagnosis? (Points : 0.4)
She repeatedly moves her large toe, ankle, and knee during sleep.
She complains of a powerful urge to move her legs when in bed at night.
She has frequently awakened unable to move or speak.
She believes that she experiences auditory hallucinations when she awakens.
Her sleep latency is normally around 1 hour.