For what it’s worth, my high school started at 8 am. I was more asking if you had a source for the claim that teenagers would respond to the changes by staying up later. Also, here are a couple studies that suggest that later start times are beneficial: https://onlinelibrary.wiley.com/doi/full/10.1111/josh.12388, https://www.science.org/doi/full/10.1126/sciadv.aau6200.

Citation?

It’s definitely a good show, but I found the last season hard to get through. I think the season 7 finale would have been a good place for the show to end.