Wednesday, December 8, 2010

sleep walking and hallucinations

Sleepwalking is a common sleep disorder that over 15% of people have. The normal sleep cycle has many distinct cycles. Rapid eye movement or (REM) is when dreaming is most prominent. In  regular sleep, people experience REM many times and this is when people will likely sleepwalk the most. The cause of sleepwalking in children is normally unknown, but fatigue stress and anxiety. In adults sleepwalking can be from mental disorders, seizures or a reaction to drugs and alcohol. When elderly people have a sleepwalking disorder it is normally related organic brain disorder. Lack of sleep can also cause the brain to hallucinate and create false images that aren't actually there. Hallucinations are sensations that are not real. Any of the senses can be involved. A person may see, hear, taste, smell, or feel something that is not there. Hallucinations can be frightening for the person experiencing them and for those near them Being exposed to extreme stress for long periods of time can bring upon hallucinations. Electrical or neuro-chemical activity in the brain can create auras, which is a type of hallucination that warns the body of a migraine. Also, auras involving smell and touch are known to warn of an epileptic attack. schizophrenia is a symptom where a person can see people who aren't there or they can hear voices that talk to them. Hallucinations and sleepwalking can go hand in hand because lack of sleep, anxiety or stress can make people both hallucinate or start sleepwalking.

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