Narcolepsy is characterized by the sleeper's airway becoming narrow or blocked, which causes very shallow breathing or repeated pauses in breathing during sleep.

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Narcolepsy is a neurological disorder characterized by excessive daytime sleepiness, sudden loss of muscle tone (cataplexy), and sometimes vivid hallucinations during sleep onset or upon waking up. It is not directly related to airway obstructive events.

Narcolepsy Is Characterized by the Sleeper's Airway Becoming Narrow or Blocked