So what causes dreams, really?
There has always been a huge debate as to what really causes dreams during the REM cycle of our sleep. Many scientists and even ordinary people have come up with numerous theories for what causes dreams. There is a plethora of causes including religious, chemical, and spiritual theories. Your belief of what causes dreams is almost like a choice of religion. Someday, scientists will discover and be able to prove truly what causes dreams but until then we are all left to be our own judge.