Good use of the lensbaby to give this a dreamy effect. I can see why it reminds you of childhood, because when we're children we take the time to lay there and look up at the sky. Now as adults we don't seem to have the time for this, unless taking pictures of course.
I can see what you mean - for me it's like the view I had as a kid, lying on my back in the backseat of the car and looking up through the window at passing sky and tree tops. Somewhat disorienting, but with this strange clarity at the same time. Lovely composition with all those branches reaching in.