I love camping. It's perhaps the second most enjoyable thing in my life these days, the first being a nice, toasty warm plate of nachos. There's something magical about a campfire next to a lake, or sitting around drinking a few beers under the stars with people you care about. I have always, for as long as I can remember, had trouble sleeping. Part of the reason is that I have a bad back (due to an injury I obtained in high school), and frequently wake up when I have an achy back. I also find that most city noises wake me up, and that I generally toss and turn most nights. The only time I find ...