Objective. To assessdoctor’s knowledge on the relevance of the problem of sleep disorders, methods of their diagnosis and treatment. Material and methods. The survey was conducted among90physicians of different the rapeuticspecialties of Kazan medical institutions. Results. The doctors believe that main causes of sleep disorders are stressors (20%), depression (13%), neurosis (13%), chronic diseases (13%), asthenia (10%), pain (10%). An analysis of treatment prescribed to patients with sleep disorders revealed large differences. Conclusion. Physicians are not well informed about the problems of sleep disorders, have a small idea of the methods of sleepresearch and drugs for their treatment as well as of a sequence of operations that should be used to resolve this problem.