Kind of a cool article!<p>> The cadets at the pre-flight school had been broken into two groups: one which took the relaxation course, and the other a control group. The former outperformed the latter in every mentally-taxing class, discipline-requiring drill, and physically-intensive test. And after six weeks of practice, 96% of the aviators were able to fall asleep in 2 minutes or less — anywhere and anytime. Not only that, they could do it even when they drank coffee (though having caffeine in your system does make it harder), and even while the simulated noise of machine gunfire and cannon blasts played in the background!