Night terror

Night terror, dem sanso call sleep terror, be a sleep disorder wey dey cause feelings of panic anaa dread den typically dey occur during de first hours of stage 3–4 non-rapid eye movement (NREM) sleep den dey last for 1 to 10 minutes. E fi last longer, especially insyd kiddies. Sleep terror be classified insyd fe category of NREM-related parasomnias insyd de International Classification of Sleep Disorders. Der be two oda categories: REM-related parasomnias den oda parasomnias. Parasomnias be qualified as undesirable physical events anaa experiences wey dey occur during entry into sleep, during sleep, anaa during arousal from sleep.

Sleep terrors usually dey begin insyd kiddie den usually dey decrease as age dey increase. Factors wey fi lead to sleep terrors be young age, sleep deprivation, medications, stress, fever, den intrinsic sleep disorders. De frequency den severity dey differ among individuals; de interval between episodes fi be as long as weeks den as short as minutes anaa hours. As a result, any type of nocturnal attack anaa nightmare fi be confused plus den reported as a night terror.

Night terrors dey tend to happen during periods of arousal from delta sleep, anaa slow-wave sleep. Delta sleep dey occur most often during de first half of a sleep cycle, wich dey indicate say people plus more delta-sleep activity be more prone to night terrors. However, dem sanso fi occur during daytime naps. Night terrors fi often be mistaken for confusional arousal.

While nightmares (bad dreams during REM sleep wey dey cause feelings of horror anaa fear) be relatively common during kiddie time, night terrors dey occur less frequently. De prevalence of sleep terrors in general be unknown. De number of small kiddies wey dey experience sleep terror  (distinct from sleep terror , wich be recurrent den dey cause distress anaa impairment) be estimated at 36.9% at 18 months of age den at 19.7% at 30 months. Insyd adults, de prevalence be lower, at 2.2%. per Na dem know night terrors since ancient times, although na e be impossible to differentiate dem from nightmares til na dem study rapid eye movement.

 References 

 External links 
 National Library of Medicine - Medical Subject Headings: Night Terrors

Category:Fear
Category:Parasomnias
Category:Sleep disorders