I have two things to add: 1: The consequences of lifestyle won't hit until you cross thirty. Unhealthy diet, lack of exercise, poor posture, poor sleep habits,

I have two things to add: 1: The consequences of lifestyle won't hit until you cross thirty. Unhealthy diet, lack of exercise, poor posture, poor sleep habits, extreme stress - none of these matter when you're young, so you think you're invincible. We even celebrate this kind of lifestyle as some kind of macho thing. But bad lifestyle karma WILL eventually get you and weird shit will start happening with your health. 2: Want to wake up early? Just drink a huge glass of water before bed. I'm serious.