No one has really been able to explain why we dream the things that we dream. We've all tried to dissect them on our own by reading dream books and coming up with our own philosophical reasoning as to why dreaming about the color purple means your going to have a sub sandwich for lunch, 3 weeks and 1 day from that dream. False.
Let's listen to the real experts at hand and hear what they have to say about dreams!
One thing we can all relate to - "I would wanna have a dream where I could do whatever I want, where I could fly, play all day and drink coffee. I actually had coffee once and I liked it...so...yeah!"