honey, if locking yourself in your car and turning up the radio would give you some peace, then I encourage you to do that. Waking him up if he's drunk or hung-over is enabling him, and even if he gets mad at you, you aren't his alarm clock.
Self-preservation is a hard way to live and it's the origin of all these maladaptive behaviors that keep us as sick as they are.
Welcome, and please do read all our material. I have learned more from this site than all the therapy in the world. (even though I go to therapy too.)