Depersonalization is one of the potential dissociative symptoms experienced by a person with posttraumatic stress disorder (PTSD). Individuals frequently describe depersonalization as repeated instances of feeling a disconnect between one’s thoughts and physical self. Some also describe it as watching the world through a dreamlike state or watching events from outside one’s body. It is one of the most challenging to define sensations I have ever experienced. Following are some examples of depersonalization symptoms in PTSD and how I experienced them.