amber - That's a really hard question to answer. In a way, yes, he is capable of sleeping through 12 hours a night. But there are soooo many reasons why he may be waking.
With Emily, we have to continously feed her between 4 and 6pm, then she'll sleep all night. I mean, she's a complete guts at dinner! If we don't feed her enough, she wakes up.
But sometimes it's not that simple. Nina was never that simple unfortunately