A report on Parasomnia
Parasomnias are a category of sleep disorders that involve abnormal movements, behaviors, emotions, perceptions, and dreams that occur while falling asleep, sleeping, between sleep stages, or during arousal from sleep.
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Sleep disorder
9 linksMedical disorder of an individual's sleep patterns.
Medical disorder of an individual's sleep patterns.
Sleep disorders are broadly classified into dyssomnias, parasomnias, circadian rhythm sleep disorders involving the timing of sleep, and other disorders including ones caused by medical or psychological conditions.
Sleepwalking
5 linksPhenomenon of combined sleep and wakefulness.
Phenomenon of combined sleep and wakefulness.
It is classified as a sleep disorder belonging to the parasomnia family.
Non-rapid eye movement sleep
5 linksNon-rapid eye movement sleep (NREM), also known as quiescent sleep, is, collectively, sleep stages 1–3, previously known as stages 1–4.
Non-rapid eye movement sleep (NREM), also known as quiescent sleep, is, collectively, sleep stages 1–3, previously known as stages 1–4.
Stage 3 – previously divided into stages 3 and 4, is deep sleep, slow-wave sleep (SWS). Stage 3 was formerly the transition between stage 2 and stage 4 where delta waves, associated with "deep" sleep, began to occur, while delta waves dominated in stage 4. In 2007, these were combined into just stage 3 for all of deep sleep. Dreaming is more common in this stage than in other stages of NREM sleep though not as common as in REM sleep. The content of SWS dreams tends to be disconnected, less vivid, and less memorable than those that occur during REM sleep. This is also the stage during which parasomnias most commonly occur. Various education systems e.g. the VCAA of Australian Victorian education practice still practice the stages 3 & 4 separation.
Night terror
4 linksSleep disorder causing feelings of panic or dread and typically occurring during the first hours of stage 3–4 non-rapid eye movement sleep and lasting for 1 to 10 minutes.
Sleep disorder causing feelings of panic or dread and typically occurring during the first hours of stage 3–4 non-rapid eye movement sleep and lasting for 1 to 10 minutes.
Sleep terror is classified in the category of NREM-related parasomnias in the International Classification of Sleep Disorders.
Sleep-talking
3 linksSomniloquy, commonly referred to as sleep-talking, is a parasomnia that refers to talking aloud while asleep.
Rapid eye movement sleep behavior disorder
4 linksSleep disorder in which people act out their dreams.
Sleep disorder in which people act out their dreams.
RBD is a parasomnia.
Sleep sex
2 links
Sexsomnia, also known as sleep sex, is a distinct form of parasomnia, or an abnormal activity that occurs while an individual is asleep.
Bruxism
1 linksExcessive teeth grinding or jaw clenching.
Excessive teeth grinding or jaw clenching.
There is evidence that sleep bruxism is caused by mechanisms related to the central nervous system, involving sleep arousal and neurotransmitter abnormalities.
Dementia with Lewy bodies
2 linksType of dementia characterized by changes in sleep, behavior, cognition, movement, and regulation of automatic bodily functions.
Type of dementia characterized by changes in sleep, behavior, cognition, movement, and regulation of automatic bodily functions.
REM sleep behavior disorder (RBD) is a parasomnia in which individuals lose the paralysis of muscles (atonia) that is normal during rapid eye movement (REM) sleep, and consequently act out their dreams or make other abnormal movements or vocalizations.
Polysomnography
3 linksMulti-parameter study of sleep and a diagnostic tool in sleep medicine.
Multi-parameter study of sleep and a diagnostic tool in sleep medicine.
Video-EEG polysomnography which combines polysomnography with video recording has been described as more effective than only polysomnography for the evaluation of sleep troubles such as parasomnias, because it allows easier correlation of EEG and polysomnography with bodily motion.