I worked at an Earring Tree one summer, and the easiest piercing I ever did was a baby girl. She was I think 3 weeks old, and sound asleep. Her mother had had it done when she was a baby, and wanted her daughter to have the same experience, unlike friends who had it done when they were 12 and scared silly. Her mom held her facing forward propped against her, I drew the little dots, got mom's approval and away we went. Did one ear, and the baby made a wee little murmuring noise and then tilted her head so her other ear was clear to do. She never awoke during the whole process. The funniest part was her daddy couldn't bear to watch, and kept his back turned the whole time!