It's back to school time for K-12 students across the country -- when summer fun makes way for spelling bees, algebra and homework. How can parents ensure their kids are both mentally and physically prepared to impress and do their best from day one of the school year? University of Minnesota professor Michael Howell says teens, in particular, tend to biologically sleep in a different pattern than what school allows for: they can't fall asleep until later in the evening and therefore have difficulty waking up as early as 6 AM. Should schools reexamine their start times to account for this?
