Insomnia is a sleep disorder in which a person cannot fall asleep, fully rest and recuperate. According to world medical statistics, more than 35% of women and almost 30% of men suffer from this disease. In children, insomnia is diagnosed less often - about one in four. Many patients do not pay attention to the disease or try to cope with it on their own. As a result, a persistent sleep disorder develops - chronic insomnia, which is difficult to treat and causes many health problems. In the presence of such a disease, the patient should seek an initial consultation with a general practitioner. A healthy person needs at least 6-10 hours of sleep per day for a good rest. During this time, the body recovers, the brain processes the information received during the day. The period of immersion in sleep takes no more than 15 minutes. It is impossible to do without rest for more than 200 hours. If sleep is insufficient, a person feels a breakdown, irritability. With chronic lack of sleep, a decrease in immunity, lethargy, and the development of mental disorders are possible. Insomnia is a violation not only of the quantity but also of the quality of sleep. Even with severe fatigue in the evening, a person goes to bed and tries for a very long time to find a comfortable position, to relax. Sleep becomes interrupted. In the morning the patient with insomnia still feels tired. Insomnia is diagnosed when there are three or more episodes every week for a month.