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Parasomnias are a group of sleep disorders characterized by unusual movement, perception, topamax blindness emotion, behaviour and dreams while a person is between the different phases of sleep or awaking from a sleep.
Generally, these problems occur while the patient is partially aroused as they transit from being awake into non-rapid eye movement (NREM) sleep or into rapid eye movement (REM) sleep. When the disorder affects NREM sleep, it is referred to as NREM parasomnia.
The International Classification of Sleep Disorders 2nd Edition (ICSD-II) classifies NREM parasomnias into three main types:
- Confusional arousals
- Night terrors
This refers to when a person becomes confused as they are waking up, perhaps partially remaining in a sleep state still with their eyes open and looking around. In children, confusional arousal often causes a lot of moaning, movement and sometimes inconsolable crying.
Sleepwalking can refer to simply sitting up and looking awake when you are not or actually leaving the bed and walking around and moving items, for example. The person may also talk or appear to be having an argument, even though the words may not make sense. In adults, sleepwalking is often associated with the use of medication, alcohol, sedatives and mental disorders. Anxiety and fatigue are also associated with the disorder.
Also called night terrors, this is an arousal disorder that causes panic and loud screaming and even bodily harm if the person gets up and runs about. No attempt should be made to comfort the person as this can intensify the terror. People who experience sleep terrors usually forget the experience afterwards, although they may have a partial memory of it.
- All Parasomnia Content
- Parasomnias – What are Parasomnias?
- REM Parasomnias
Last Updated: Feb 27, 2019
Dr. Ananya Mandal
Dr. Ananya Mandal is a doctor by profession, lecturer by vocation and a medical writer by passion. She specialized in Clinical Pharmacology after her bachelor's (MBBS). For her, health communication is not just writing complicated reviews for professionals but making medical knowledge understandable and available to the general public as well.
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