My lo is now 7 weeks. During the day he can go for about 3 to 3.5 hours without nursing. However at night he is up usually 1.5 to 2 hours after I put him to sleep in order to nurse again. Will he naturally grow out of this? Is there something I can do to get him to nurse more during the day and less at night? It actually seems like he is up more often at night now than he was a few weeks ago. Thanks!