You need to rule out certain medical conditions. Take the help of your family doctor. Once those are ruled out, it could be called night terrors among other possibilities.

Hello dear Dreams are representation of one s own subconscious mind. You can try writing down your dreams and find out the content which is troubling you. For Good sleep one can try meditating before you sleep and not think about the events of the day that might have caused trouble to you. If required consult a clinical psychologist to help you with it.