Poor Sleep

"Lack of sleep, or poor quality of sleep, is directly linked
to an increase in the body's production of a hunger hormone called
Ghrelin. Ghrelin, not only makes you overeat, but it also makes you
gain weight by lowering the amount of calories you burn. The best way
to reduce Ghrelin is by some sound and deep sleep. Once rested, your
appetite will normalize and this will help you stay fit and slim."

-Prevention Magazine July 2011