> If a kid has to suffer through getting up on 5 hours sleep they probably won't make that mistake again.
... I don't think you've met kids before. The vast majority absolutely won't learn.
> Living a larger part of the day in darkness isn't good for most people's happiness, energy use aside.
Standard time moves sunlight to the morning, when people are sleeping. Permanent DST should give people the same or more sunlight during their waking hours. You'd have the same amount, waking up at 5am and assuming you don't sleep until at least 8:30pm.