“…Sleep disorders have negative effects on cognitive functions, school performance, and emotional and behavioural regulation and are associated with obesity, among other problems [ 5 , 6 , 7 , 8 , 9 , 10 , 11 , 12 ]. On the other hand, the reduced practice of physical activity and sports, the screen behaviour and electronic media use (mobile devices, television, video games, and the internet) are factors that have been associated with sleep disorders in children [ 13 , 14 , 15 ].…”