Oo, normal lang yan! Especially pag newborn pa, malaki ang appetite kaya natural na maraming sawa, some of my mum friends said their babies were literally eating every 2-3 hours, parang walang tigil. Pero kung worried ka talaga or parang sobrang dami or may ibang signs na weird (like palaging fussy kahit sobrang busog na), better check with your pedia just to be sure, okay?