Zaleplon is an odd one. For me, it turns the dial on my thoughts down. They go from racing to calm or even off. There's a slight bit of euphoria to it, but it's hard to describe. Like alcohol, it doesn't really make you feel "better", it just makes you feel "less". Too much and you might hallucinate a little, but not in a good way.
If you want to get the most out of it, grind it up as well as you can and snort it. Decreasing particle size increases overall surface area, and due to its water-insolubility, I think this gets the most into your system. From my experience, the powder in TEVA 10 mg caps grinds the best.