Could I have schizophrenia?

I guess the best thing to do is list some of the things I've been dealling with:

-This doesn't happen everynight. Once every two months at the absolute minimum. I'll be laying in bed, and an instant before I'm drifing off I'll hear, clear as a bell, a woman's voice calling my name, repeating herself with urgency to get my attention. She says other things, which I either can't recollect or couldn't understand.
*Note* I was awake the entire time this happened.^^^^

-I have terrible insomnia,and when I do go to sleep, I run the risk of having another screwed up dream. They don't come all the time, one dream in particular stood out to me. In the dream: I was sitting on a sofa, deep in conversation. There was noone around me, and I knew it, but it didn't seem to bother me. After I got done speaking, I paused, and I realized I had spent 10 minutes deep in a two sided conversation including only me. I sat there with a sinking horror, unable to deny what had happened.

-I have an awful time remembering things. My thoughts are often scrambled,making me pause in the middle of a sentence or conversation to regain my train of thoughts. I often digress rambling about something completely unrelated to the subject at hand

-There have been times, for no apparent reason, that I've seen the opportunity for suicide and considered it. More than once have I stood in front of an electrical outlet, holding a metal wire and deciding whether I should plug it in with the same nonchalance of a person ordering fast food.

-I had a dream about six months after my mom committed suicide. My mom was laying lazily in the front passenger seat of the vehicle she drove, hanging her feet out the window, completely dead, long gashes running up her arms. Family members just walked around the area not even acknowledging her existence.