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Wake Up to the Signs of Narcolepsy, A Misunderstood Sleep Disorder

 

Some 200,000 Americans have narcolepsy–sleep attacks that cause them to fall deep into deep slumber anytime, anywhere. But the majority of narcoleptics are in the dark about what’s wrong.

Josh, a 16-year-old male, is sent to detention because he is falling asleep in class. He is referred to the school counselor because of his poor academic performance and he is placed in a class for the learning disabled. Concerned, Josh’s parents take him to their family physician who suggests that depression may be the issue, and he is prescribed an antidepressant.

What the school, physician, and Josh’s parents do not realize is that his symptoms are due to narcolepsy, a sleep disorder that can force sufferers to doze off, wherever they are and whatever they’re doing. The condition can be socially awkward–job interviews and first dates aren’t the best times to take a quick snooze–and narcolepsy can be dangerous as well: drivers may only have a few minutes before they get the first signals, which may include muscle weakness, force them to take an unanticipated nap.

According to the American Sleep Association, “As many as 125,000 to 200,000 Americans have narcolepsy, although fewer than 50,000 have been properly diagnosed.” Studies show that most Americans don’t understand symptoms of the affliction, and, alarmingly, many physicians–even sleep specialists–fail to recognize the condition as well.

Symptoms of narcolepsy include:

  • An irresistible urge to sleep. The primary characteristic of narcolepsy is an overwhelming need to sleep during the day or “sleep attacks.” People with narcolepsy often fall asleep at inopportune times like while talking on the phone, at school or work, while driving, or even during sex.
  • Poor nighttime sleep. Narcoleptics often have poor-quality nighttime sleep.
  • Sleep paralysis. Narcolepsy patients may experience the inability to move or talk for a short period as they transition in or out of sleep.
  • Hallucinations. As narcoleptics transition into or out of sleep, they may see, feel, or hear something that is not really there. Dream-like activity may break through into wakefulness, causing dreams to seem frighteningly real.
  • Cataplexy. Around 70 percent of narcoleptics experience cataplexy–a brief loss of muscle control.

Narcolepsy usually begins in the teens or early 20s, and all of the symptoms do not emerge simultaneously. AWAKEN, an online survey conducted by Harris Interactive and sponsored by Jazz Pharmaceuticals, surveyed 1,000 adults from the general public, 300 primary care physicians, and 100 sleep specialists. The results found that symptoms associated with narcolepsy are not clearly recognized or understood, which may contribute to under or misdiagnosis of the disorder. Only 70 percent of the general public has heard of narcolepsy; higher percentages were familiar with conditions such as sleep apnea, restless legs, and cystic fibrosis.

Even many physicians weren’t well-versed in the disorder, and aren’t comfortable diagnosing narcolepsy. Only one-fifth of surveyed sleep specialists could identify all symptoms of the disease. Additionally, 22 percent of sleep specialists reported they are “not very or not at all comfortable” diagnosing narcolepsy. The survey results reinforce the need for continuing narcolepsy education for physicians.

As reported in a 2010 article in the Journal of Clinical Psychiatry, failure rates for diagnosing narcolepsy are extremely high: according the the article, neurologists misdiagnose narcoleptics 45 percent of the time, general practitioners 78.1 percent, and pediatricians got the diagnosis wrong nearly 100 percent of the time. Physicians commonly mistook the symptoms for  included neurotic disorders, depression, personality disorders, and adjustment reactions.

Pediatric narcolepsy can be the hardest to diagnose, as children with narcolepsy often perform poorly in school and are mislabeled as lazy, oppositional, or depressed. Early identification is critical, but unfortunately the time from disease onset and diagnosis can be years. Parents, teachers, and even physicians remain uninformed about this lifelong disease.

When narcolepsy is properly diagnosed, treatment is tailored to suit the individual needs and symptoms of the patient. There is no cure for narcolepsy, but treatment options include:

Lifestyle changes. Lifestyle adjustments can be made to lessen the severity of a few of the symptoms of narcolepsy. Patients are asked to engage in good sleep hygiene practices and avoid stress or anger, which can trigger cataplexy.

Scheduling short naps. Short naps of 10-15 minutes are usually refreshing and may help reduce the pressure to sleep.

Stimulants. The main treatment for the excessive sleepiness associated with narcolepsy is stimulants. The medications promote wakefulness and alertness during the day.

Sodium oxybate. For patients with sleepiness and/or cataplexy, sodium oxybate is a treatment option. The drug is taken before sleep and again in the middle of the night.

Antidepressants. Some selected antidepressants may be used to help suppress REM sleep to alleviate symptoms of cataplexy, sleep paralysis, and sleep-wake transition hallucinations.

It is not normal to constantly feel sleepy or have involuntary sleep attacks after a good night’s rest. While some physicians have difficulty diagnosing narcolepsy, there are many specialists and sleep centers around the country that are capable of providing proper testing and treatment. For more information on narcolepsy, visit the National Sleep Foundation at www.sleepfoundation.org.

For more by Russell Rosenberg, Ph.D., click here.

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