Nightmare Disorder

Nightmare disorder (also known as dream anxiety disorder) is one of the sleep disorders, which are disturbances in sleep that can cause negative symptoms or behaviors in sufferers. This sleep disorder is characterized by frequent nightmares which often portray the dreamer as being in a situation that threatens their life or well-being. These usually occur during the REM phase of sleep. Although nightmares are a common occurrence that all people experience, it is the frequency and severity that sets this apart as a disorder as it can severely affect a person's life.

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