I m also interested in this topic. My gal used to sleep 1 to 1.5 hours after every feed in the day but as she grows (about 6 weeks now) she seems to be more awake in the day.. Even after her feed. I have to coax n carry her before she is willing to sleep.. Same she will wake up shortly n get startled easily. I wonder whether this is normal. I noticed that for nite time she has progress from 2 hr feed to now 3-4hrs feed.. I worry she might not have enuff nutrition? I m feeding her formula milk for the nite. I hoe this is normal..