This is one of those situations where you have to choose your morals over legalities. No, it is not illegal to not have a bedroom. I sleep on a couch, actually. As long as you are getting your essentials, there is no law about where to sleep a child. On the other hand, weed, especially growing it in your home, is illegal. However, what are you going to do? Turn in your own parents? Then, you really won't have a bedroom to sleep in. They will be arrested, and you will be placed in group housing with other children your age and gender. You won't have much if a social life, or a "childhood" depending on how old you are. Sorry that you aren't granted the privacy you should have! Also, sorry you have to go through, what I see as, unfit living conditions. It's just one of those situations where you won't really get anywhere and should just wait until you are of age to go to college or move on your own. Good luck!