Dreams Often Have Meaning. Here’s How To Interpret Them.

Although images from your memories may appear in your dreams, you never replay memories back as they occurred, except in the case of post-traumatic stress disorder, Stickgold said. Instead, the brain determines what you dream about by calculating which of your newly-formed memories are most valuable and yet not fully understood, he explained. Additionally, you also dream about the things your brain connects to that recent memory.