Whenever I have something to do where someone else is relying on me to be some place at a certain (early) time or if I had a competition (long ago) etc I wake u

Whenever I have something to do where someone else is relying on me to be some place at a certain (early) time or if I had a competition (long ago) etc I wake up well before my alarm totally awake and ready to go. Otherwise I can sleep forever. I guess adrenaline is a significant factor. When I was competing in individual sports I could barely sleep two hours before a big event.