You know, I'd agree that sleep deprivation leads to all sorts of horrible things, but saying lack of sleep has caused American obesity is like saying the relent

You know, I'd agree that sleep deprivation leads to all sorts of horrible things, but saying lack of sleep has caused American obesity is like saying the relentless decline in the number of Pirates has led to global warming. Correlation != Causation. As the canonical example, Spaniards sleep on average 40 minutes less than other Europeans, with all sorts of detrimental effects (highest incidence of workplace accidents), but they are a fairly thin population. Everyone is looking for a quick fix to getting fat. There isn't one. Eat less food and more healthy food, and do something that requires physical exertion.