Yes.

Psychologically? Probably.
Prophetically? Probably not.

You never know

Some might. Not mine though, unless you think running through school causing chaos means anything-

I do and I wish we could find solid evidence as to what exactly they’re linked to if they are at all

Yes

Ya

Everything in this world means something...

Sometimes

Well yes but also no, I think they are ment to help your memory and help you keep things in your mind I don't think dreams really have any other meaning really.