Sleep early
yeah, want to wake up early, you must sleep early. Normally human body need atleast 6 hour to call enough sleep. It's not normal if you sleep for 12 hours per day.
Clock
Yeah, clock will help you a little bit. Set your alarm clock on time and feel the tone. But beware of your roomate because this type of person will easyly sabotage you by switch off the alarm (they don't want wake up early) and you finally fail you mission. Set the alarm tone as loud as you can.
Help
Yeah, as help from the person that you trust the most like your parents, roomate or GF. When you ask them to wake you up, that mean you need to trust them. So beware when they sabotage you. Make you we don't losed aur trust with them.
Commando Style
Yeah, i don't know where i get it and i don't know what commando style but a commando had their own routine to wake upearly in the morning to fullfill their PT (Physical Training). Try to make a routine.