things should only be done naturally/ in a natural way. even a merit won't bear any meaning or even be harmful , if that's compulsory.
早睡 &早起 is twin! if you can go to bed early, it's easy to get up early don't force yourself to do bring only one out of the pair
sometimes i would be too busy and can only have a few hours sleep but i only care to live out my best, i.e. to cut away unimportant things from daily life. i'd recommend the first step is to throw away the TV, and reject silly magazines.