 Here's how you can fall asleep within seconds, the military way. Soldiers have been using this technique for decades to fall asleep quickly in any situation. Relax your face and let go of tension in your jaw. Drop your shoulders and let your hands rest. Take a deep breath, relax your chest, and let gravity do its thing. Clear your mind, and if that doesn't work, repeat don't think over and over for 10 seconds. And you should doze off. But remember, it may take a couple of minutes when you first start practicing.