To add an anecdote, when I was a teenager I was on varsity track which meant 8 mile warm up runs, followed by 2 hours of practice, with 1 hour of weights afterw

To add an anecdote, when I was a teenager I was on varsity track which meant 8 mile warm up runs, followed by 2 hours of practice, with 1 hour of weights afterwards. Then I would head over to theatre which gave to more hours of backstage construction work. Despite all that 'exercise', I still stayed up till 1am at a minimum, and sometimes didn't fall asleep till 3am. So anecdotally, what worked for you, didn't work for me as a teenager.