Some babies wake from habit, they just miss their parents and want a cuddle and a bit of milk. Once your sure your LO isn't undertired, you might want to consider night weaning. If your LO is eating well during the day and when he wakes at night he's not taking a full feed, then I would drop one feed at a time.
When my LO would wake, I (or husband) would go in and comfort her, but would not feed. The idea is to let them know they are loved but don't make it to fun for them that they continue to wake. I would keep her in the crib and sit with her, sing, stroke but didn't get her up (this was my sleep training method). She would often go back to sleep, but would cry for a bit. After 2 nights of this she had dropped the first feed. The next feed sorted itself out after that, I would only feed her after 3:30am as she was a bit younger and got hungry (she never took to a dream feed). This feed got later and later and she began sleeping through until morning! Providing she ate well during the day, was healthy and not teething, then she only took max one night feed.
I would suggest settling your LO without a feed the first time they wake (providing they are well fed and heathly), then decide on a time, you think they'll be hungry and from that time if they wake, you can feed them. I spent a few nights, going in and when I fed her I took note of part and full feeds. If it was a part feed, the next night, when I went in I didn't feed her.
My LO did go through a developemental leap around 9/10 months where she started waking more frequently during the night, but she normally sleeps through. She always sleeps badly during leaps but magically starts sleeping great, as soon as they are over! If he's waking more than normal, it could be a developmental leap and should sort itself out in a week or so.
I was meaning to say in my previous post, my LO sleeps 2-3 hours during the day and 11 hours at night. I think this is about average. Many babies don't do 12h nights.
