C.H.
I think its all about habit. My baby has pretty much slept in his crib and through the night since he was born, but he also spent the first week of his life ina nicu so he got use to self soothing. But anytime I had to go in and change his diaper or give med or w/e hes wake up and cry for me to let him our or pick him up...I would just leave the room fast make sure it was dark maybe even give him his sippy cup and a bear and then leave the room. Now when I have to go in there he will wake up but he wont cry when I leave the room,he just goes back to sleep. Youve gotten your baby dependant on ur help for him to fall asleep and that can be a nasty habit to break.I still havent broken my 4 yr old from sleeping in our bed.