Which mental health disorders are characterized by a loss of contact with reality and a breakdown of normal social functioning

Schizophrenia is a mental disorder characterized by loss of contact with reality (psychosis), hallucinations (usually, hearing voices), firmly held false beliefs (delusions), abnormal thinking and behavior, reduced expression of emotions, diminished motivation, a decline in mental function (cognition), and problems in daily functioning, including work, social relationships, and self-care.

Explanation:

it'll be alright, just keep on going and keep your head up!