Isn't the real issue the general start times of jobs, classes and other activities? We could all wake up at Noon and go to sleep at 8am if that's what it took t

Isn't the real issue the general start times of jobs, classes and other activities? We could all wake up at Noon and go to sleep at 8am if that's what it took to match the biologically ideal scenario. All that matters is the difference between the biologically ideal wake time and a socially required wake time. Not what the clock says.