As another commenter pointed out, people don't really pick their circadian rhythms. With that said, even if we forget about that, what's early is defined by wh

As another commenter pointed out, people don't really pick their circadian rhythms. With that said, even if we forget about that, what's early is defined by what we consider late. If you have a teenager who needs 9+ hours of sleep, and they cannot go to sleep before 11pm (because we allow people to be noisy until at least that late), then 7 is quite early, yes.