These events are usually triggered by strong emotions such as joy, surprise, laughter or anger. It may lead to slurred speech and buckling knees, or in more severe cases complete paralysis. Sudden loss of muscle tone or episodes of muscle weakness while you are awake are known as cataplexy.
This type of narcolepsy involves a combination of excessive daytime sleepiness and one or both of the following: There are two types of narcolepsy: Narcolepsy type 1 Medical conditions, mental health disorders, and use of certain medications or substances can also cause symptoms similar to narcolepsy These include sleep apnea, circadian rhythm disorders, and restless legs syndrome. Other sleep disorders that cause daytime sleepiness are often mistaken for narcolepsy. Some people think because they are consistently tired during the day that they may have narcolepsy. This is especially true when you consider that many people with narcolepsy often have difficulty sleeping through the night because of unwanted awakenings. When you add up the hours of total sleep time, people with narcolepsy don’t necessarily sleep any more than people who don’t have narcolepsy. Narcolepsy may run in some families, but most cases are not genetic. The average delay in diagnosis is 8 to 10 years. Pediatric onset is common, as is a delay in diagnosing the disorder. However, it is thought that about 50% of patients with narcolepsy may be undiagnosed and therefore the prevalence may be underestimated. About one in 2,000 people have some form of narcolepsy. Many people with narcolepsy do not know they have the sleep disorder. Operating a vehicle with untreated narcolepsy can be very dangerous and some states even have laws against it. These can happen in the middle of any activity including eating, walking or driving. It is dangerous because you may experience excessive sleepiness or a loss of muscle tone at any time of the day. Narcolepsy can impact nearly every aspect of your life. Individuals with narcolepsy feel overwhelmingly tired, and in some cases, can have sudden episodes of muscle weakness. Narcolepsy is a lifelong neurologic disorder that is characterized by the inability to control normal sleep wake cycles. Morse, DO and Andrea Matsumura, MD What is narcolepsy? Resources for Health Care ProfessionalsĪugust 2020 | Reviewed by : Anne M.These example sentences are selected automatically from various online news sources to reflect current usage of the word 'cataplexy.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. 2021 Narcolepsy type 2, in which a person experiences general narcolepsy symptoms but does not have cataplexy. 2021 The breakthrough designation for AXS-12 being revoked was for cataplexy as a condition in narcolepsy. 2021 While some people may have multiple episodes a day, others may only experience cataplexy once or twice a year. 2021 In both cases, more exercise inversely correlated with the degree of sleepiness and frequency of cataplexy episodes experienced. 2021 People with narcolepsy type 2 may experience all the symptoms of narcolepsy except cataplexy-and their symptoms are often less severe, says the National Institute of Neurological Disorders and Stroke (NINDS). 2021 Excessive daytime sleepiness and cataplexy can improve after several weeks of regularly taking sodium oxybate.
Recent Examples on the Web Symptoms such as hallucinations, sleep paralysis, and cataplexy may follow, says Manjamalai Sivaraman, MD, FAASM, a sleep medicine specialist and neurologist at the University of Missouri.
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