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  1. Narcolepsy - Symptoms and causes - Mayo Clinic

    Nov 15, 2024 · Narcolepsy is divided into two types. Most people with type 1 narcolepsy have cataplexy. Most people with type 2 narcolepsy don't have cataplexy. Narcolepsy is a lifelong …

  2. Narcolepsy - Wikipedia

    Narcolepsy is a chronic neurological disorder that impairs the ability to regulate sleep–wake cycles, and specifically impacts REM (rapid eye movement) sleep. [1] The symptoms of …

  3. Narcolepsy - National Institute of Neurological Disorders and Stroke

    Jan 10, 2025 · Narcolepsy is a chronic neurological disorder that affects the brain’s ability to control sleep-wake cycles. People with narcolepsy may feel rested after waking, but then feel …

  4. Narcolepsy: What It Is, Causes, Symptoms & Treatment

    Dec 12, 2025 · Narcolepsy is a sleep disorder that causes extreme daytime sleepiness and sudden sleep attacks. Treatment helps manage symptoms and improve safety.

  5. Narcolepsy: Causes, Symptoms, & Treatments - Sleep Foundation

    Jul 25, 2025 · Narcolepsy is a sleep disorder that involves severe daytime sleepiness. Learn about the types of narcolepsy as well as the symptoms, causes, and treatments.

  6. Narcolepsy - Johns Hopkins Medicine

    Key points about narcolepsy Narcolepsy is a chronic sleep disorder. The main symptom of narcolepsy is extra and overwhelming daytime sleepiness, even after a good night's sleep. …

  7. Narcolepsy: Symptoms, Causes, Treatment - WebMD

    May 3, 2024 · Narcolepsy is a brain and nervous system disorder that affects your ability to wake and sleep. People with narcolepsy have intense, uncontrollable daytime sleepiness. They may …

  8. Narcolepsy Causes, Symptoms, and Treatment Options

    Jul 3, 2025 · Narcolepsy is a relatively uncommon neurological disorder that impacts a person's ability to stay awake during the day. Find out more about the symptoms and treatment for …

  9. Narcolepsy: Symptoms, Causes, Treatment, Tests, and More

    Jul 15, 2025 · Narcolepsy is a long-term neurological condition that disrupts the nervous system, leading to abnormal sleep patterns and affecting a person’s quality of life.

  10. Narcolepsy - Neurologic Disorders - Merck Manual Professional …

    Narcolepsy is characterized by chronic excessive daytime sleepiness, often with sudden loss of muscle tone (cataplexy). Other symptoms include sleep paralysis and hypnagogic and …