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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: What It Is, Causes, Symptoms & Treatment

    Dec 26, 2022 · What is narcolepsy? Narcolepsy is a sleep disorder that causes an urge to fall asleep suddenly during the daytime that’s almost impossible to resist. Although this condition …

  4. 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. …

  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 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 …

  7. Narcolepsy - Harvard Health

    Oct 11, 2024 · In narcolepsy, the brain-wave pattern can skip some or all of the other sleep stages, causing the person to move from the awake state immediately to REM sleep, or to …

  8. Narcolepsy Fast Facts - Narcolepsy Network

    It is estimated that about 50% of people with narcolepsy are undiagnosed. Symptoms of narcolepsy include excessive daytime sleepiness, sleep attacks, cataplexy, sleep paralysis, …

  9. Narcolepsy - Narcolepsy | NHLBI, NIH

    Mar 5, 2025 · What is narcolepsy? Narcolepsy is a chronic disorder that makes people very sleepy during the day and disrupts sleep at night. People living with narcolepsy fall asleep …

  10. Narcolepsy Research - FAQs | Center for Narcolepsy | Stanford …

    The main symptoms of narcolepsy type 1 (NT1) are excessive daytime sleepiness, cataplexy, sleep paralysis, hypnagogic hallucinations, and disturbed nocturnal sleep. It affects about …