“…Not surprisingly, also among adolescents, poor sleep and poor behavior are associated. To name a few examples, low sleep quality was associated with higher drug use (tobacco, cannabis, alcohol) both cross-sectionally [ 4 , 5 ] and longitudinally [ 6 ], higher risk-taking behavior [ 7 , 8 ], suicidal behavior [ 9 , 10 , 11 ], poor emotion processing [ 12 ], and increased daytime sleepiness [ 13 ]. Thus, there is sufficient evidence that among adolescents, low sleep quality is associated with unfavorable psychological functioning and behavior.…”