You searched for: “parasomnias
parasomnia (s) (noun), parasomnias (pl)
1. Any kind of malfunction or disorder of sleep rhythm which is caused by a disease of the central nervous system: It was very dangerous for Grace to spend the night alone in her two-story house because when she had attacks of parasomnia, she would get up and walk around in her sleep!
2. Etymology: from Greek para, "irregular, abnormal" or "faulty" + Latin somnia, "sleep".
This entry is located in the following units: para-, par- (page 11) somni-, somno-, somn-, -somnia, -somniac (page 2)