(lifted from wikipedia)

Content-analysis studies have identified common reported themes in dreams. These include: situations relating to school (adolescents), being chased or attacked, running slowly in place, falling, arriving too late, a person alive in reality dead in the dream, a person who is dead in real life alive in the dream, teeth falling out, flying, future events such as birthdays, anniversaries, etc. (with different scenarios), past events in your life (with different scenarios) embarrassing moments, falling in love with random people, failing an examination, not being able to move or focus vision, car accidents, being accused of a crime you didn't commit, suddenly finding yourself naked, going to the toilet, losing your car, not knowing where you are and many more[