This book talks about the levels of consciousness and their roles in controlling our life and behaviour. The consciousness has a main role in learning human to behave and to live in all life's situation and ages. This book clarifies these situations in details and the laws that make this system work properly. It provides many solutions and suggestions to control ourselves and our minds and put them in the right way. This book explains many of our behaviours depending on the psychology and the role of the consciousness in the psychiatry, how to treat diseases and mental disorders and how to improve the mental health as well.This subject is not well discussed and detailed in literature so there is a need to give this topic its role in the psychology and in scientific literature too.This book is targeting the consciousness' levels and the role of these levels in our life and behaviours, so it divides the roles among them as appropriate and in the right way and then the humans can recognize which part is more important than the other and on what they should focus.