4 month old should eat every 3-4 hours. You mentioned sleeping for 10-12h and this sounds almost harmful for the baby. I don't think I'd like that.
Thanks for your recommendation anyway. I'm sure that there are many science-based techniques to "tame" children and make child care as atomic family bearable.
Thanks for your recommendation anyway. I'm sure that there are many science-based techniques to "tame" children and make child care as atomic family bearable.