It can feel like you are in a dream or watching a movie.

Derealization is a feeling of disconnection from the world around you.

Your surroundings may look different or unreal.

You may feel disconnected from your emotions or feel like you are in a fog.

Time may feel like it is standing still or going by very quickly.

You may feel like you are outside of yourself looking in.

You may feel like you are not in control of your body or your thoughts.

Derealization can be a symptom of anxiety, depression, or post-traumatic stress disorder.

You may have trouble concentrating or focusing on anything.

Derealization can be a very frightening experience.