It's 2:00 a.m., and you simply can't get your mind to shut down. You've tried counting sheep, but they just keep crash-landing into meadows, making the insomnia even worse. Maybe you've tried every trick in the book, from over-the-counter sleep aids to lavender-scented pillows. Well, there's one more trick to try, and some people swear by it.

It's called the "Infinity Tracing Technique," and…