Poor sleep = Poor diet

Not getting enough sleep, or getting poor quality sleep, can not only increase your risk for obesity, cardiovascular disease, diabetes, and depression, but it also affects how you eat. The majority of people who report sleep problems also rarely cook for themselves and eat more convenience and fast foods than people who sleep just fine. These habits can lead to significant nutritional deficits and other related health problems.

I think this study is right on -- when I don't get enough sleep the last thing I feel like do is cooking! In goes the frozen pizza...