[varispeed]

So isn't that a common sense? If you are inclined to wake up later than the society expects of you, then you are likely to be depressed because of the pressure?

> that shifted the sleep timing of individuals with an evening diurnal preference

> But that study seems to be about making an unnatural schedule more bearable.

That's sounds like something akin to telling a depressed person "why can't you just be happy?" and then making them watch comedy?