According to the ICSD-3TR, nightmare disorder is characterized by extended, extremely dysphoric, and well-remembered dreams that usually involve threats to survival, security, or physical integrity. The dream experience causes clinically significant distress or impairment in social, occupational, or other important areas of functioning. Nightmare disorder occurs in 2–6% of adults. Nightmares...
Despite reports of wide variation in the prevalence of sleep paralysis among different ethnic groups, there has never been any study in Chinese. In Hong Kong, a condition known as ghost oppression is descriptively identical to sleep paralysis. To examine this phenomenon, the response of 603 undergraduate students to a questionnaire were analyzed. Thirty-seven percent had experienced at least...