This just confirms what I've been trying to tell my friends for years, which is that "when you sleep matters just as much as how long" but they always seem to r

This just confirms what I've been trying to tell my friends for years, which is that "when you sleep matters just as much as how long" but they always seem to roll their eyes. Though it seems pretty obvious that one feels more well rested going to bed at 10 and waking at 7 as opposed to going to bed at 5am and waking at 2pm