Start where you are, and try to become better. So many people want to go so hard at things they burn out. Find little things like the things mentioned here and start adding little things you could do better and add more later.
Try waking up 10 minutes earlier at first. Then later try for an hour or more. Find a way to make a small improvement. Like waking up 10 minutes earlier, and you might even try to go to bed earlier. Start noticing your patterns. Not just sleep but things you could do better. Then start making some changes in your daily life. Doing positive things effects your mindset and even your energy. It is powerful if you get it right.