every dude here will not oppose to mornin sex. since your worried bout waking him, try giving head while he's sleep. chances are he'll have a nice wet dream or he'll wake up and then you'll get your sexual beat down.
100% go for it. I agree with the rest. A bj while asleep is a terrific way to start the proceedings. I'm always incredibly horny in the morning. To be woken up by someone who is already starting the fun would be the perfect start to the day. Lucky guy.