If you are trying to sleep more by sleeping in, that will happen. You need to wake up at the same time every morning and practice good sleep hygiene. If your

If you are trying to sleep more by sleeping in, that will happen. You need to wake up at the same time every morning and practice good sleep hygiene. If your body is used to waking up at 8AM most days and you try to sleep until 10AM, it will resist. Given that you say you go to bed at 4AM I imagine your sleep schedule is all over the place - that just won't work. 30 minutes of cardio every other day has done wonders for my energy levels, but I sleep 7-8 hours a night. People who exercise often sleep a little bit longer.