If you’re considering weaning your baby, you’re probably thinking about which weaning method you’ll use. Or, you might be considering which bottle or cup will make the transition easiest. And, if you're reading The Baby Sleep Site®, you are probably also thinking about how this may impact your baby's sleep! Simply put, weaning (whether you're weaning from breastfeeding to a bottle, night weaning, or weaning from formula/breastmilk to milk from a cup) can cause an otherwise great sleeper