The condition is now commonly called type 1 narcolepsy. These examples are programmatically compiled from various online sources to illustrate current usage of the word 'cataplexy.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Narcolepsy with cataplexy occurs when a person frequently experiences excessive sleepiness during their waking hours. In children, cataplexy often manifests as small facial tics, like raised eyebrows, mouth movements, lip biting or chewing, and more. Cataplexy can cause slurred speech, muscle weakness, or even collapse. 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). Cataplexy is a brief but sudden loss of muscle tone that can cause a number of physical changes. 2021 Excessive daytime sleepiness and cataplexy can improve after several weeks of regularly taking sodium oxybate. 2021 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. 2011 According to the Mayo Clinic, the frequency of cataplexy varies tremendously case by case. (trigger facial cataplexy, more like a head-rush, on the brink of a 'real' episode, Im able to maintain composure and no change in walking pace. Elizabeth Preston, Discover Magazine, 30 Aug. But Ive been very doubtful since the appointment last month. Individual experiences vary from a mild feeling of weakness to severe falls. Events can be triggered by a joke, surprise, anger, fear, or athletic endeavors. Patients are aware of their surroundings and have clear memory for the complete events. The sleep study and MSLT is really just to rule out other possible issues like sleep apnea and cement the diagnosis. Cataplexy is the abrupt loss of muscle tone triggered by strong emotional stimuli or physical exercise. 2011 But this view ignores narcolepsy's most ridiculous symptom, called cataplexy. When I explained this to her, she said that this was an example of cataplexy and that, along with my other symptoms, makes her pretty convinced that I have narcolepsy. 2014 Not all narcoleptics experience cataplexy, but those who do may lose all strength in their muscles during moments of strong emotion. Elizabeth Preston, Discover Magazine, 29 Aug. 2021 People with cataplexy, a rare condition tied to narcolepsy, may suddenly lose all their muscle strength and collapse during a fit of laughter. Recent Examples on the Web How is cataplexy treated? - Sarah Fielding,, 6 Dec.
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