WarEagle, welcome to A2K.
Many people wonder if waking awareness is as illusionary as dreams. But our dreams are created by a brain drawing on sensory data and memories. Where could the imagery of our dreams have come from if there wasn't a real world to provide the basic experiences?
Are you consciously aware of creating me and all of the other phantoms in your universe? If not, something else (or a part of your mind of which you are unaware) must have created us. Where did your consciousness come from, and why can't you discern this mysterious source of the illusions that you experience as reality? Why was the illusion created, and where did the necessary knowledge/information come from?
You have feelings and are convinced that you exist. I have feelings and am convinced that I exist. Other people say that they have feelings and are convinced that they exist. If people other than you do not have feelings, how could we know what feelings even are, and why would we falsely claim to have them?
Either the world is pretty much as it appears, or there is some gigantic conspiracy to con you into believing that it exists. Occam's Razor says that theories should not contain unnecessary complications. The simplest explanation is that reality is as it appears, and there are no supernatural puppeteers deluding us.
There are many theories regarding the cause of the Big Bang. No one knows exactly how or why the universe began, but we know quite a lot about what happened since then. Yes, emotions and feelings are produced by biochemical processes in your brain.
If we are all figments of your imagination, why would you ask these questions and expect a reply? Just talking to yourself?