Unnatural shapes, swirling colors, inexplicable lights, droning music, and a world that is constantly changing in texture and size: welcome to the hypnagogic state. You’ve been here before, probably. And, if I can let you in on a secret, I’m just about there right now. It may sound ridiculous, but everyone you have ever known has been there: even your grandmother, and hell, even your dog. That’s because, while it sounds like something your one uncle who’s really into the Grateful Dead might try to induce on the weekend for kicks, a hypnagogic state is actually just the feeling that takes over right…