1.5 week old baby sleeping 4-5 hours?

Question

So my little dude was born early and is now a little over a week old. Sometimes he will sleep 4-5 hours after a feeding. usually I try and push a feeding time to being an hour about 30 minutes of stimulating time where I hold him off from eating to be hungry by changing him, talking to him, and if its during the day I do tummy time with him! enough to eat a good size bottle by the time he finally gets it. The thing is once hes done with 50-75ml of milk (even 90ml once!) He can sleep like 4 hours, I think he almost slept 5 last night after drinking about 90ml of milk! 
Is this okay for him to do? Is he just eating enough to not get hungry for a while? I dont feel like I am underfeeding him but I worry still since he is such a good sleeper!

Answer

That is a lot of milk at once for a 1wk old. At that age the stomach capacity is only a max of 45-60ml/1.5-2oz.  Pace feeding needs done here. And 5hrs would be the very max for a newborn that young to go without eating. I would push for shorter times like every 3hrs. And with the pace feeding. 
Amounts on chart are not accurate for under 6wks old.

Answer

If he's sleeping 4-5 hrs at a time consider yourself lucky 🤣 it's normal. Babies have their own sleep/wake patterns

Answer

It’s definitely ok he’ll be fine it’s natural for newborns to sleep more then they want to eat don’t worry to much I promise you he’s fine babies are a lot smarter then we think he’ll let you know when he’s hungry. I don’t even feed my babies off the feeding schedule that the hospital recommends because every baby is completely different sometimes your basically it’s forcing your baby to eat . Once he gets bigger it will be different.