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Narcolepsy is a chronic neurological disorder that affects the brain's ability to regulate sleep-wake cycles. It is characterized by excessive daytime sleepiness, sudden sleep attacks, and, in some cases, cataplexy, which is a sudden loss of muscle tone triggered by strong emotions. People with narcolepsy may also experience disrupted nighttime sleep and other symptoms like sleep paralysis and hallucinations. The exact cause is not fully understood, but it is believed to involve a deficiency of the neurotransmitter hypocretin, which regulates wakefulness.

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2mo ago

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