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Related to Nightmare disorder: sleep terror disorder, parasomnia
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On the related matter of sleep in PTSD, since 1997 my coinvestigators and I have published and presented data on the complexity of sleep disturbances in nightmare disorders, and we submit that disturbing dreams herald a deeply rooted sleep pathophysiology, often masquerading as classic psychiatric insomnia (Sleep Breath.
Findings of the study indicated that the rates of nightmare and lifetime nightmare disorder were more prevalent in girls and snoring was more prevalent in boys.
These include REM Sleep Behavior Disorder (RBD), Nightmare Disorder and Isolated Sleep Paralysis.