The cause of Parkinson’s disease is not fully known. Research has pointed to a number of potential risk factors for developing this neurological disorder. Risk factors such as age, sex, and certain genetic issues have been identified and linked to the potential development of Parkinson’s disease. This disease affects the person’s motor functions and can leave them more susceptible to other neurological disorders, such as Alzheimer’s disease. The disorder Rapid Eye Movement (REM) Sleep Behavior Disorder has been the focus of new research that may be a factor in this neurological disorder.
You have probably heard about this stage of sleep referred to as REM sleep. REM or Rapid Eye Movement is the final stage of the sleep cycle in humans. It is characterized by quick movements by the eye (hence the rapid eye movement part) and can be sometimes referred to as paradoxical sleep. Each sleep cycle in humans lasts about 90 minutes and cycles between REM sleep and other non-REM stages of sleep. As the sleep cycles continue, a higher proportion of the sleep cycle becomes REM sleep. REM sleep behavior disorder (RSBD) is characterized by the subject acting out physically in vivid or even unpleasant dreams that are accompanied by sound and physical movements during REM sleep. During your normal REM sleep cycle you don’t move physically, but during RSBD these movements can be quite animated and potentially harmful to those around us. The onset of this disorder can be subtle and gradually get worse over time. Due to the neurological issues related to Parkinson’s disease, many who suffer from Parkinson’s can experience these physical acting out of dreams related to REM Behavior Disorder. The part of the brain that regulates movement is affected by Parkinson’s disease and this can lead to the movement of arms, legs, and other negative effects of RSBD.
During normal REM sleep, you should have lowered muscle tone and even a normal temporary paralysis of your limbs. This disorder means you physically act out your dreams with your arms and legs and even vocal outbursts. According to the Mayo Clinic, some of the symptoms of Rapid Movement Sleep Behavior Disorder are:
Rapid Eye Movement Sleep Behavior Disorder is thought to be caused by nerve pathways in the brain that no longer work properly to provide muscle paralysis during REM sleep. This leads to you physically acting out your dreams. Other causes can be prescription medications such as antidepressants and beta-blockers. Also, approximately 30% of those suffering from narcolepsy can experience symptoms of Rapid Eye Movement Sleep Behavior Disorder. Some risk factors include:
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Kevin Cleary has been a Health Products For You contributor for many years and has a degree in marketing. His health and wellness journey has a very personal meaning and has guided him in his content writing for HPFY.
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