TY JOUR TI Program for the prevention of desynchronosis in students by means of physical culture taking into account the chronotype KW desynchronosis KW chronotype KW students KW means of physical culture KW physical exercises JO Scientific notes of P. F. Lesgaft University AU Ilkevich, T.G. AU Ilkevich, K.B. AU Klimova, L.Y. AU Shakirov, M.R. PY 2025 IS 0 PB National State University of Physical Education, Sports and Health named after P.F. Lesgaft