Narcolepsy : Symptoms

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Persistent drowsiness (hypersomnia - excessive daytime sleepiness; Difficulty for a young adult to stay awake during classes or work; Awake and refreshed feeling after each episode; Hallucinations, visual (sight) or auditory (hearing) may come bef...
Source:ADAM
Date:September 7, 2006
While the symptoms of narcolepsy usually appear during the teens or 20s, the disease may not be diagnosed for many years. Most often, the first symptom is an overwhelming feeling of fatigue. After several months or years, cataplexy and other sympt...
Source:Gale Encyclopedia of Genetic Disorders Part I
Narcolepsy is defined by four major symptoms: Excessive daytime sleepiness (EDS). Cataplexy, the most dramatic symptom of narcolepsy, affecting 75 percent of people with the disorder. During an attack of cataplexy, the person's knees buckle and th...
Source:Gale Encyclopedia of Children's Health
While the symptoms of narcolepsy usually appear during the teens or 20s, the disease may not be diagnosed for many years. Most often, the first symptom is an over-whelming feeling of fatigue. After several months or years, cataplexy and other symp...
Source:Gale Encyclopedia of Genetic Disorders Part II
In 1999 researchers identified the gene that causes narcolepsy. The gene allows cells in the hypothalamus (the part of the brain that regulates sleep behavior) to receive messages from other cells. When this gene is abnormal, cells cannot communic...
Source:Gale Encyclopedia of Medicine
While the symptoms of narcolepsy usually appear during a person's late teens or early 20s, the disease may not be diagnosed for many years. Most often, the first symptom is an overwhelming feeling of fatigue. After several months or years, cataple...
Source:Gale Encyclopedia of Mental Disorders
One of the causes of narcolepsy is a genetic mutation. In 1999, researchers identified the gene that causes the disorder. The narcolepsy gene allows cells in the hypothalamus (the part of the brain that regulates sleep behavior) to receive message...
Source:Gale Encyclopedia of Neurological Disorders
Narcolepsy is a sleep disorder associated with uncontrollable sleepiness and frequent daytime sleeping.
Source:ADAM
Date:September 7, 2006
Narcolepsy is a neurological disorder characterized by uncontrollable episodes of sleepiness during the day. Episodes can last from a few seconds to more than an hour and can significantly interfere with daily activities.
Source:Gale Encyclopedia of Alternative Medicine
Narcolepsy is a disorder marked by excessive daytime sleepiness, uncontrollable sleep attacks, and cataplexy (a sudden loss of muscle tone, usually lasting up to half an hour). Narcolepsy is the second-leading cause of excessive daytime sleepiness (after obstructive sleep apnea).
Source:Gale Encyclopedia of Genetic Disorders Part I
Narcolepsy is a disorder of the nervous system marked by excessive daytime sleepiness, uncontrollable sleep attacks, and cataplexy (a sudden loss of muscle tone, usually lasting up to half an hour). The American Psychiatric Association (APA) classifies narcolepsy as a sleep disorder in the fourth edition of the Diagnostic and Statistical Manual of Mental Disorders , or DSM-IV .
Source:Gale Encyclopedia of Children's Health
Narcolepsy is a disorder marked by excessive daytime sleepiness, uncontrollable sleep attacks, and cataplexy (a sudden loss of muscle tone, usually lasting up to half an hour). Narcolepsy is the second-leading cause of excessive daytime sleepiness (after obstructive sleep apnea).
Source:Gale Encyclopedia of Genetic Disorders Part II
Narcolepsy is a disorder marked by excessive daytime sleepiness, uncontrollable sleep attacks, and cataplexy (a sudden loss of muscle tone, usually lasting up to half an hour). Narcolepsy is the second-leading cause of excessive daytime sleepiness (after obstructive sleep apnea ).
Source:Gale Encyclopedia of Medicine
Narcolepsy is a disorder marked by excessive daytime sleepiness, uncontrollable sleep attacks, and cataplexy (a sudden loss of muscle tone, usually lasting up to half an hour). Narcolepsy is the second-leading cause of excessive daytime sleepiness (after obstructive sleep apnea).
Source:Gale Encyclopedia of Mental Disorders
Narcolepsy is a disorder marked by excessive daytime sleepiness, uncontrollable sleep attacks, and cataplexy (a sudden loss of muscle tone, usually lasting up to half an hour). Narcolepsy is the second-leading cause of excessive daytime sleepiness (after obstructive sleep apnea ).
Source:Gale Encyclopedia of Neurological Disorders
Drowsiness refers to feeling abnormally sleepy during the day -- often with a strong tendency to actually fall asleep in inappropriate situations or at inappropriate times.
Source:ADAM
Date:October 31, 2007
Each year, at least 100,000 vehicular crashes and 1,550 deaths are caused by drivers who are impaired by sleepiness.
Source:StayWell
When drowsiness occurs most of the time or causes a person to fall asleep at inappropriate times, quality of life and performance can be affected.
Source:StayWell
Hypersomnia refers to a set of related disorders that involve excessive daytime sleepiness. There are two main categories of hypersomnia: primary hypersomnia (sometimes called idiopathic hypersomnia) and recurrent hypersomnia (sometimes called recurrent primary hypersomnia).
Source:Gale Encyclopedia of Neurological Disorders
HypersomniaSymptom and DescriptionA good night's sleep is important for your functioning and well-being. Too much sleep can be a problem.
Source:StayWell
Hypersomnia refers to a set of related disorders that involve excessive daytime sleepiness. There are two main categories of hypersomnia: primary hypersomnia (sometimes called idiopathic hypersomnia) and recurrent hypersomnia (sometimes called recurrent primary hypersomnia).
Source:Gale Encyclopedia of Mental Disorders
Hallucinations are sensory perceptions that are unrelated to outside events -- in other words, seeing or hearing things that aren't there.
Source:ADAM
Date:February 6, 2008
Hallucinations are false or distorted sensory experiences that appear to be real perceptions. These sensory impressions are generated by the mind rather than by any external stimuli, and may be seen, heard, felt, and even smelled or tasted.
Source:Gale Encyclopedia of Medicine
Hallucinations - Gale Encyclopedia of Mental Disorders
Source:Gale Encyclopedia of Mental Disorders
Isolated sleep paralysis is a type of paralysis associated with a sleep disorder. Sleep paralysis is the inability to perform voluntary muscle movements during sleep. It most often occurs when falling asleep or when awakening. Though it may be associated with narcolepsy, it occurs in many people who do not have narcolepsy. See narcolepsy .
Source:ADAM
Date:August 3, 2007
Emotional content floods the brain in response to our experiences, physiological and psychological states. Most of us learn how to prevent emotions from interfering with functioning as we mature.
Source:HealthLine
Date:December 31, 2007
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