If in a dream you try to solve any educational problem, then in reality before you there are no purposes which you could not reach. If dreamed you that you cannot understand a statement of the problem in any way, then in real life you feel confusion, connected that you do not know how it is correct to behave in the circumstances. However, you should not despair. Everything will be OK.
Look also: Smog
Be sure and keep any other thoughts out of your mind before drifting to sleep as a cluttered mind can decrease the chances that you will remember your dreams upon waking. Also, focusing on remembering your dreams upon waking in the morning is another very important thing. This sounds very easy, but is often hard for some to do. Interpret a dream by "dictionary dream of interpretation"
When you very first wake up, simply think about your dreams. Don't allow your mind to drift off to other things, just lay there and think about the things you dreamt about the night before - dictionary dream meaning.