why?

Why do things always become clear when i'm about to fall asleep? why do i never do the things i think about at these times. How come when i start to think of these things i end up not being able to fall asleep, they keep me up with hundreds of different ways things i'm thinking about could happen. why is one of those times right now. i want to sleep. very much so. here i am though, writing this down, hoping that it'll just get it out of my head so i can have some peace within. it's not helping. my thoughts continually drift. some thoughts great, some horribly depressing. why does my right arm keep twitching, why dont i know what i should do with my life, will my future children die before me? why did that thought even enter my head? why can't we be a barter based society? why are we so reliant on debt and fossil fuels? why can't i just live in the wild? self-sufficiency is a good thing isnt it? why am i still single? why do i even care about it? why cant i stop thinking about it...