Anxiety To what anxiety may cause from thoughts coming to the brain, which prevents a person from being able to sleep.[2] Depression Depression is a psychological disease that affects various aspects of a patient''s life Including the way you eat, sleep, think and feel things, and in fact depression may lead to suffering from sleep disorders, as well as the case that sleep disorders in themselves may cause or contribute to depression, and in this context it is indicated that many depressed patients suffer from symptoms insomnia Difficulty falling asleep, difficulty staying asleep, unrefreshing sleep, or excessive daytime sleepiness.[3] Seasonal affective disorder (SAD) affects sleep The person suffers from oversleeping in the event of this disorder in the fall or winter seasons, but if the person has this disorder in the spring or summer Its effect is suffering from insomnia and sleep disturbance.[4] Post-traumatic stress disorder (PTSD) sufferers from insomnia, nightmares, or flashbacks, and some may experience inappropriate behavior or movements. voluntarily during sleep, causing the person to wake up, while others suffer from talking during sleep.[5] Paranoia and Psychosis Paranoia, or psychosis, is caused by the inability to sleep Because it involves hearing voices or seeing things that are frightening to the person, or racing thoughts that cause anxiety.[2] Mania Mania may be accompanied by feelings of energy and euphoria, which prevents the patient from feeling tired or desired. In some cases, obsession may cause thoughts that cause insomnia and inability to sleep.[2]