From Dr. Richard K. Bernstein's YouTube Channel
At minute 21:00 of 19 Facts Your Doctor May Not Know he mentions things like the anti-growth hormone somatostatin and the dawn phenomenon.
Rising early to give insulin to control the dawn phenomenon at minute 31:30
Dawn phenomenon and an early dinner at minute 45:00.
At minute 50:45 he talks about using humalog for the dawn phenomenon.
At 1:03:45 he mentions using metformin etc....
And in this final video he talks about using rapid insulin and rapid metformin at minute 26:30 and rapid and slow metformin together at 52:20.
**Update 12/14/2023: It is also worth mentioning another recent game-changer besides a low carb diet - a cgm! It is mentioned because it has really emphasized how WALKING has been really valuable for dealing with the dawn phenomenon - besides also walking after a meal.