Confused help 😳

Doll • Premie baby born Feb 23. Due date April 15th. 🙏👶💙 Follow me on insta -ZULLYBRITO
So how many times you feed your premie baby?  I was told every 3 to 4 hours but my baby is hungry every 2 hours sometimes  every hour.. What to do? 
Before he would wake up everyb3 hours now it's all over. ;/