I'm sure it's true that avoiding sleep-deprivation is useful for "productivity", but, frankly, it saddens me that that this is the way it has to be pitched to g

I'm sure it's true that avoiding sleep-deprivation is useful for "productivity", but, frankly, it saddens me that that this is the way it has to be pitched to get people to pay attention. Avoiding sleep-deprivation is also great for avoiding sleep-deprivation! You feel better and are healthier! Not all of life is (or should be) about productivity, the workplace, competitive advantage, etc.