From time to time I suffer a bout of insomnia. Sometimes I can't fall asleep at all and other times I fall asleep, but wake up continuously. A few years ago I found a solution that works well for me. It's a form of self-hypnosis, I suppose, because it involves keeping your mind on something other than the fact that you're not sleeping. It works like this. I make lists in sets of ten. It doesn't matter what the topic of the lists is, but ten seems to be the magic number (and you must be laying down with your eyes closed; sitting in a kitchen chair and writing them on paper won't work). I will list ten songs I like, ten places I'd like to go, ten foods I hate or anything else that comes to mind. When I start needing my fingers to keep track of what number I'm on, I know I'm on the verge of sleep. I can't remember ever making more than three lists before drifting off. Recently, I tried making a list of ten sounds that I like. It took quite a bit of conc...