Can sleep help you to lose weight?
It will help you lose weight, by maintianing the right level of energy required to keep your metabolism going. But you won't actually lose weight just by sleeping. If you want to lose weight though, there are some great dieting programs.
Eating raw vegetables alone may help you lose weight fast but they will also bloat. Also if you don't get enough meat or protein in your diet you will lose energy which can make you grouchy and sleep causing you to loss focus. I would personal I wouldn't do it. Lose weight the correct way so you don't hurt yourself.