Abstract: Preservation and strengthening of the health of children and adolescents is one of the most essential tasks of the State in the context of the transition to new standards of education in general education schools, connected with the introduction of innovative pedagogical technologies, increasing the level of information component and intensification of mental loads (additional classes, sections, circles), computerization of the educational process [2, 3, 8]. The beginning of learning at school is one of the most stressful periods of life activity when the mechanisms of brain support for cognitive activity are formed during a sharp change of social conditions [1, 2].