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An introduction to a dangerous sleeping disorder called narcolepsy

Print Overview Narcolepsy is a chronic sleep disorder characterized by overwhelming daytime drowsiness and sudden attacks of sleep. People with narcolepsy often find it difficult to stay awake for long periods of time, regardless of the circumstances. Narcolepsy can cause serious disruptions in your daily routine. Sometimes, narcolepsy can be accompanied by a sudden loss of muscle tone cataplexy that leads to weakness and loss of muscle control.

Cataplexy is often triggered by a strong emotion, most commonly laughter. Narcolepsy is a chronic condition for which there's no cure. However, medications and lifestyle changes can help you manage the symptoms. Support from others — family, friends, employer, teachers — can help you cope with narcolepsy. Symptoms The symptoms of narcolepsy most commonly begin between the ages of 10 and 25.

They may worsen for the first few years, and then continue for life. People with narcolepsy fall asleep without warning, anywhere, anytime. For example, you may suddenly nod off while working or talking with friends. You may sleep for a few minutes or up to a half-hour before awakening and feeling refreshed, but eventually you fall asleep again. You also may experience decreased alertness throughout the day.

Excessive daytime sleepiness usually is the first symptom to appear and is often the most troublesome, making it difficult for you to concentrate and fully function. Sudden loss of muscle tone.

Narcolepsy

This condition, called cataplexy KAT-uh-plek-seecan cause a number of physical changes, from slurred speech to complete weakness of most muscles, and may last for a few seconds to a few minutes. Cataplexy is uncontrollable and is triggered by intense emotions, usually positive ones such as laughter or excitement, but sometimes fear, surprise or anger. For example, your head may droop uncontrollably or your knees may suddenly buckle when you laugh.

Some people with narcolepsy experience only one or two episodes of cataplexy a year, while others have numerous episodes daily. Not everyone with narcolepsy experiences cataplexy. People with narcolepsy often experience a temporary inability to move or speak while falling asleep or upon waking.

For some, dreams can come at inopportune times, sometimes with dire consequences

These episodes are usually brief — lasting a few seconds or minutes — but can an introduction to a dangerous sleeping disorder called narcolepsy frightening. You may be aware of the condition and have no difficulty recalling it afterward, even if you had no control over what was happening to you. This sleep paralysis mimics the type of temporary paralysis that normally occurs during rapid eye movement REM sleep, the period of sleep during which most dreaming occurs.

This temporary immobility during REM sleep may prevent your body from acting out dream activity. Not everyone with sleep paralysis has narcolepsy, however. Many people without narcolepsy experience some episodes of sleep paralysis, especially in young adulthood.

These hallucinations are called hypnagogic hallucinations if they happen as you fall asleep and hypnopompic hallucinations if they occur upon waking. They may be particularly vivid and frightening because you may be semi-awake when you begin dreaming and you experience your dreams as reality. Other characteristics People with narcolepsy may have other sleep disorders, such as obstructive sleep apnea, a condition in which breathing starts and stops throughout the night, restless legs syndrome and even insomnia.

People with narcolepsy may also act out their dreams at night by flailing their arms or kicking and screaming. Some episodes of sleep attacks are brief, lasting seconds. Some people with narcolepsy experience automatic behavior during these brief episodes. For example, you may fall asleep while performing a task you normally perform, such as writing, typing or driving, and you continue to function while asleep. When you awaken, you can't remember what you did, and you probably didn't do it well.

When to see a doctor See your doctor if you experience excessive daytime sleepiness that disrupts your personal or professional life. There may be many causes.

  1. Nocturnal Myoclonus--Unusual Movement During Sleep Just before some people fall asleep, they experience an uncomfortable, but not always painful, sensation deep in the thigh, calf, or feet.
  2. She also should learn about the effects of every drug, including cigarettes and alcohol, on her and her unborn baby.
  3. Psychological factors, such as fears, phobias, and compulsions, can so occupy the mind that sleep is delayed, disturbed, or shortened. One procedure widens the throat.
  4. The older you get, the more apt you are to snore. If you turn in too early--even if you do fall asleep--you could experience a disturbed night's rest or could wake early without feeling refreshed.
  5. This sets up an air current between the palate and the base of the tongue, resulting in snoring. Usually, narcolepsy starts in the early teen years, but it can strike anyone at any age.

Most people with narcolepsy have low levels of the chemical hypocretin hi-poe-KREE-tin. Hypocretin is an important neurochemical in your brain that helps regulate wakefulness and REM sleep.

Hypocretin levels are particularly low in those who experience cataplexy. Exactly what causes the loss of hypocretin-producing cells in the brain isn't known, but experts suspect it's due to an autoimmune reaction. Research indicates a possible association with exposure to the H1N1 virus swine flu and a certain form of H1N1 vaccine that's currently administered in Europe.

It's not yet known if the virus directly triggers narcolepsy or whether exposure to the virus increases the likelihood that someone will have narcolepsy. In some cases, genetics may play a role. Normal sleep pattern vs.

  • Even when not fatal, combining drugs and alcohol can be perilous to driving and the use of other machinery;
  • You should not go to sleep until you are sleepy;
  • Vigorous exercise, especially just before sleep, can cause arousal and delay sleep;
  • The elderly tend to absorb and excrete all medications more slowly than younger people and usually require smaller doses;
  • Working a night shift can also cause problems;
  • Common symptoms can include:

During this phase, your brain waves slow considerably. Most dreaming occurs during REM sleep. Some of the characteristics of REM sleep, such as cataplexy, sleep paralysis and hallucinations, occur during wakefulness or drowsiness in people with narcolepsy.

Complications Public misunderstanding of the condition Narcolepsy may cause serious problems for you professionally and personally. Others might see you as lazy or lethargic. Your performance may suffer at school or work.

  1. He or she might identify conditions that should not be treated with sleeping pills and weigh other risks drug treatment.
  2. A spinal tap, or lumbar puncture , is used to collect cerebrospinal fluid CSF to measure hypocretin levels.
  3. People are not born with narcolepsy.
  4. The latter named product and some antidepressants that reduce REM sleep may be used to treat the other symptoms.
  5. What are the symptoms of narcolepsy? Good sleep is a sign of health.

Interference with intimate relationships Extreme sleepiness may cause low sex drive or impotence, and people with narcolepsy may even fall asleep while having sex. Intense feelings, such as anger or joy, can trigger some signs of narcolepsy such as cataplexy, causing affected people to withdraw from emotional interactions.

Physical harm Sleep attacks may result in physical harm to people with narcolepsy. You're at increased risk of a car accident if you have an attack while driving. Your risk of cuts and burns is greater if you fall asleep while preparing food.

Obesity People with narcolepsy are more likely to be overweight. The weight gain may be related to medications, inactivity, binge eating, hypocretin deficiency or a combination of factors.