Unconscious mind

 According to Sigmund Fruied, in his psychoanalytic theory of personality unconscious mind is reservior of feelings, thoughts, urges and memories. Unconscious mind is outside of conscious awareness.

Unconscious is represents unacceptable and unpleasant. Feelings of pain, confliction these are the content of unconscious mind.

Impact of unconscious

Unconscious mind can create a lot of problem 

These are 

Anger

Bias

Compulsive behavior

Fruied also believed that all of our feelings and urges are contained in our Unconscious mind.

One of the most important is,

life and death instinct.