I have autonomic nervous system dysfunction (postural orthostatic tachycardia syndrome and convulsive vasovagal syncope). Now the cause for my episodes of paralysis has been found to be narcolepsy (cataplexy). I tried looking for medical journal articles on narcolepsy and ANS disorder comorbidity but didn't have much luck. Is there any link or correlation between the two, or any research pursuing the possibility thereof? They both involve the CNS, right? Does having one give you a higher likelihood of having the other (even if it's just a correlation and not necessarily causal)? Do you know of any specific studies that may have looked at sleep disorders and ANS disorders?
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