“In the first place, dreams carry on waking life.” (Freud, p.41) For example, you may dream about events that happened, or dream events that you desire to happen.

Read more about The Interpretation of Dreams, by S. Freud:
Disclosure:
I may receive a small commission if you buy. A product via this link.
Reference
Freud, s. (2010). The Interpretation of Dreams. Basic Books: New York.