Temporary disconnection with one’s reality
This is clinically named dissociative symptoms, and it is further divided into two different types, depersonalization and derealization. Depersonalization refers to a disconnection with one’s body that feels as if the patient was staring at himself as an external observer. It is a sense of unreality of oneself and one’s body. Conversely, derealization is a disconnection with the external world and makes the patient feel in a distorted an irrealistic world in a condition that feels similar to a realistic dream.