Anecdotal evidence, but in my school the afternoon shift was associated with more "problematic" behaviour, both boys and girls. More rough and tumble play, that

Anecdotal evidence, but in my school the afternoon shift was associated with more "problematic" behaviour, both boys and girls. More rough and tumble play, that is the technical term I think, more abuse and fighting. Might have something to do with all those mornings without parental supervision.