“…High ED intake is also associated with unhealthy behavior, such as reduced and insufficient sleep and breakfast skipping in adolescents [ 7 , 17 , 21 , 22 , 23 , 24 ]. Evidence shows that 30 to 50% of adolescents sleep less than recommended 8 h [ 25 , 26 , 27 ], and the prevalence of sleep problems varies between 10 to 20% in adolescents [ 28 , 29 , 30 ]. According to the large studies conducted in Europe and other countries [ 31 , 32 , 33 , 34 , 35 ], a high proportion of adolescents were classified as breakfast-skippers, ranging from 40–50% (China, Austria, Slovenia) to 10–20% (Spain, Poland, Japan).…”