[header] How to diagnose nightmare disorder [title] Determine if you wake up from vivid nightmares. [step] One of the symptoms and diagnostic criteria of nightmare disorder is waking up often from vivid nightmares. You may remember many details from the dream, and the dream may have been extremely long or feel like it was very long. 
The nightmares often have narratives and are very elaborate. [substeps] In the nightmare, you may feel threats to your survival, security or self-esteem.