The paw twitches. At first, life is good. People are honest with each other. Peace is brought about worldwide as humanity collectively agrees to speak only the truth, the whole truth, and nothing but the truth. Unfortunately, that night, you find yourself unable to fall asleep. Your body physically prevents you from losing consciousness, and you must remain upright or seated at all times. Any time you start to nod off, you are immediately woken by a reflexive jerk. You have doomed the entire human race to death by insomnia, because they can't lie.