Reply to My baby is 5 months old. I recently started working part time, but I’m going ...

CIO is the best and fastest way to minimize sleep deprivation. Babies need 16+hrs sleep/day at this age. Nothing is worse for a baby's development than lack of sleep. The sooner you do it (after 2-3 mo), the better. For bottles, see if you can borrow 1 bottle of a few different types from friends. Try seeing which baby takes to over the couse of a week. Then buy some of those. Comotomo is one of the brands that it supposed to be most like breast tissue. (Also, try different temperatures of milk in the bottle - warmed up, room temp, and refrigerated).