Dreams: Why do we have them and what do they mean?

Everyone dreams every night, yet 95% of dreams are forgotten before we wake in the morning. The ones that are remembered can be entertaining, fun, adventurous, vivid and often bizarre. Yet there is still much about sleep and dreams that remain a mystery for experts. Even the question of why we dream is one yet to be answered. However there are studies that can help us to understand what triggers intense dreams and the health benefits of dreaming.