Recurrent, uncontrollable brief episodes of sleep and lapses in consciousness, often associated with hypnagogic hallucinations, cataplexy, automatic behaviors and sleep paralysis. There are many common clinical aspects between narcolepsy without cataplexy and idiopathic hypersomnia without long sleep time (note also that the delay between.The persons who suffer from this condition experience fatigue and may fall asleep at inappropriate times during the day. A sleep disorder characterized by a tendency for excessive sleepiness during the day which occurs even after adequate sleep in the nighttime.The prevalence of narcolepsy without cataplexy or narcolepsy due to a medical condition in the general population is not known however, it is estimated that about 1050 of the narcolepsy population has narcolepsy without cataplexy. (from neurology 1998 feb 50(2 suppl 1):s2-s7) The classic narcolepsy tetrad includes daytime sleepiness. Some people with narcolepsy also have cataplexy episodes of muscle weakness that are triggered by strong emotions such as laughter, surprise, or crying. Therefore the treatment concentrates on relieving the symptoms as far as possible. No cure of the disease is currently possible. More research is needed to determine the exact triggers behind narcolepsy without cataplexy. This rare disease affects 25 out of every 10,000 people (1). Narcolepsy with cataplexy is an auto-immune disorder. It is characterized by excessive sleepiness during the day. The clinician can include several additional specifiers. The pathophysiology of this disorder includes sleep-onset rapid eye movement (rem) sleep, which normally follows stage iii or iv sleep. Narcolepsy is a neurological disorder that affects the natural cycles of sleeping and waking. Individuals with narcolepsy will plunge into REM sleep upon onset of sleep (Psychologist World, 2014). Cataplexy sleep paralysis, and hypnagogic hallucinations frequently accompany narcolepsy. A condition characterized by recurrent episodes of daytime somnolence and lapses in consciousness (microsomnias) that may be associated with automatic behaviors and amnesia.
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