From memory, at around 3 weeks tends to be the peak of unsettledness and crying for newborns.

You say you are sometimes feeding every hour, is that throughout the whole day or at particular times? Again that can be normal with such a young baby.

My some was really unsettled some days at that age. I remember one day in particular, he was awake for 12 hours without sleeping, and unhappy for a fair amount of that time.

He also used to do whats called cluster feeding. He'd have nicely spaced out feeds in the morning, and then towards the afternoon/evening he's want a feed every hour-hour and a half. Iremember thinking I couldnt do it and it brought up lots of feelings I didnt like.

But you get through it, and it does get better. There will still be days where they are unsettled, but the bulk or if should be in the first 3-6 weeks, particularly week 3 for a lot of babies.

If you can get your hands on a copy of a book called "The winder weeks" you might find some useful info in there.

HTH