FTM Feeding question

My lo is 2 weeks old and goes back and worth between formula and bottled breastmilk. At night we let her wake us up to feed and give her 60 mls. If she wants more, we go up by 10 mls.

My question is, do we do the same during the day? Right now we feed her the same amount every 3 hours, even if that means waking her up from her naps. Should we just let sleep and wake on her own to feed, or continue waking her up every 3 hours??

She is over her birthweight by 3 oz btw.