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narcolepsy - Definition: (Source: MedicineNet)

Narcolepsy: A neurological disorder marked by a sudden recurrent uncontrollable compulsion to sleep. Narcolepsy is often associated with cataplexy (a sudden loss of muscle tone and paralysis of voluntary muscles associated with a strong emotion), sleep paralysis (immobility of the body that occurs in the transition from sleep to wakefulness), what are called hypnagogic hallucinations (pre-sleep dreams) and automatic behaviors (such as doing something "automatically" and not remembering afterwards how one did it). ...
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narcolepsy - Images (Source: MedLinePlus)
narcolepsy , Sleep patterns in the young and aged
Sleep patterns in the young and aged

About narcolepsy (Source: Medem)
Narcolepsy is a chronic neurological disorder caused by the brain's inability to regulate sleep-wake cycles normally. At various times throughout the day, people with narcolepsy experience fleeting urges to sleep. If the urge becomes overwhelming, individuals will fall asleep for periods lasting from a few seconds to several minutes. In rare cases, some people may remain asleep for an hour or longer. In addition to excessive daytime sleepiness (EDS), three other major symptoms frequently characterize narcolepsy: ...
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eMedicineHealth Narcolepsy

Frequently Asked Questions for narcolepsy (Source: MedicineNet)
What is narcolepsy?
How common is narcolepsy?
What causes narcolepsy?
What are the symptoms of narcolepsy?
Excessive daytime sleepiness (EDS)
Cataplexy
Hypnagogic hallucinations
Sleep paralysis
Additional symptoms
How is narcolepsy diagnosed?
How is narcolepsy treated?
Medications
Non-drug treatments
What is the outcome (prognosis) for patients with narcolepsy?
What's in the future for narcolepsy?
Narcolepsy At A Glance
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Causes of narcolepsy (Source: MedLinePlus)
Narcolepsy is a neurological disorder, not a mental illness. The exact cause is unknown. Genes may play a role, but it is not the only factor. Anxiety, however, does not cause narcolepsy. The disorder may be made worse by conditions that cause insomnia such as disruption of work schedules. ...
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Symptoms of narcolepsy (Source: MedLinePlus)
Persons with narcolepsy have episodes of sudden daytime sleeping ("sleep attack"), usually preceded by drowsiness . It may be difficult for a young adult to stay awake during classes or work. The sleep attacks: Last about 15 minutes each; May occur several times during a day; Usually happen after eating, but may occur at any time such as while driving, talking to someone, or during other situations where there is little movement. Sometimes, the person may have dreamlike hallucinations before sleep or during the sleep episode. The person wakes up feeling refreshed after each brief sleep episode. Narcolepsy may also be associated temporary and sudden muscle weakness called cataplexy, that is usually brought on by strong emotions. This may involve: Sudden loss of muscle tone May be associated with emotional reactions such as laughter or anger; May be similar to seizures . ; Temporary inability to use muscles (sleep paralysis ) Occurs immediately upon awakening; Occurs at the onset of drowsiness. ...
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narcolepsy - Conventional Treatments (Source: MedLinePlus)
There is no known cure for narcolepsy. The goal of treatment is to control symptoms. Lifestyle adjustments and learning to cope with the emotional and other effects of the disorder may improve functioning in work and social activities. This involves: Eating light or vegetarian meals during the day and avoiding heavy meals before important activities; Scheduling a brief nap (10 to 15 minutes) after meals, if possible; Planning naps to control daytime sleep and reduce the number of unplanned, sudden sleep attacks; Informing teachers and supervisors about the condition so those affected are not punished for being "lazy" at school or work. Prescription medications may be necessary. The stimulant drug modafinil (Provigil) is the first choice of treatment for narcolepsy. It has much less abuse potential than other stimulants. The medicine also helps maintain wakefulness. Other stimulants include dextroamphetamine (Dexedrine, DextroStat) and methylphenidate (Ritalin). Antidepressant medications can help to reduce episodes of cataplexy, sleep paralysis, and hallucinations. Antidepressants include: Selective serotonin reuptake inhibitors (SSRIs) such as fluoxetine, paroxetine, sertraline, and venlafaxine; Tricyclic antidepressants such as protriptyline clomipramine, imipramine, and desipramine. Sodium oxybate (Xyrem) is prescribed to certain patients for use at night. If you have narcolepsy, you may have driving restrictions. Restrictions vary from state to state. ...
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News on narcolepsy
Researcher IDs Narcolepsy as Autoimmune Disease (MedicineNet)

Further Reading on narcolepsy
  • Narcolepsy Symptoms ( WebMD )
    Narcolepsy is a sleep disorder that causes overwhelming and severe daytime sleepiness that often occurs at inappropriate times and places.
  • Sleep Problems,Age 12 and Older - Topic Overview ( WebMD )
    Everyone has a " bad night " once in a while . Dogs barking , the wind howling , or overeating may make it difficult to sleep . It is ...airway during sleep and a blocked upper airway . Narcolepsy Narcolepsy ...
  • Drug Treatments for Sleep Problems ( WebMD )
    An overview of the drugs available - and in the pipeline - for treatment of sleep problems...to improve daytime wakefulness in those who are shift workers or suffer from narcolepsy or sleep apnea. Xyrem...
  • Understanding Sleep Problems - Symptoms ( WebMD )
    An overview of symptoms that may signal sleep disorders...by a sleeping partner. Restless or unrefreshing sleep is also typical, as are headaches in the morning. Narcolepsy Excessive sleepiness during...
  • Sleep Studies ( WebMD )
    Sleep studies are tests that watch what happens to your body during sleep . The studies are done to find out what is causing your ...muscles to work. Problems staying awake, such as narcolepsy . Problems...


  • Electroencephalogram (EEG) ( WebMD )
    An electroencephalogram ( EEG ) is a test that measures and records the electrical activity of your ...if a person who is in a coma is brain-dead. Study sleep disorders, such as narcolepsy . Watch brain...
  • Periodic Limb Movement Disorder ( WebMD )
    Periodic limb movement disorder ( PLMD ), the only movement disorder that occurs only during sleep , is ...sleep, causing daytime sleepiness and a number of other problems Narcolepsy - A sleep disorder...

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