Just like a human baby, the less stimulation the better. When you get up for the early morning potty break, try not to speak too much, and if you do, do it quietly
No TV, and minimum lights, just enough to not trip over stuff. If you don't have a nightlight, get one
Do the potty thing, then back into the crate very quietly and matter-of-factly, and he should go back to sleep for a bit. Does he have food available to nibble on in his crate? Maybe a small doggie snack would help too, since he's little and needs to eat frequently.