I made a small pan of this for my little family so double it for yourselves if there are more than 4 people awake. (you-made-that.com)
The recipe made about 7 cookies for me, so maybe double it if you want to make more! (suma.coop)
With the thickness of the three starters I recommend, if they can't double themselves in size between feedings, they can't raise your bread either. (sourdoughhome.com)