4 months is magical... most of the time. Olivia still loves to be swaddled at night for sleep, but can wrestle out even the tightest of swaddles! I often find her little hands freed, flailing about around her face in the middle of the night. She isn't the most peaceful sleepers, and often need her paci stuffed back in her mouth several times in the middle of the night. I often do this with my eyes closed, trying to aim for her mouth in the dark.
At her 4 and half months pediatrician visit, we dropped from 50 percentile to 25 percentile in weight, but still is 50 percentile in height. I try not get too worried... she definitely doesn't look starving to me.
Grandma is still here and cares for Olivia like the little princess she is. Oh daycare will be a hard adjustment for this little one.