Final answer:
Babies who share a parent's bed are experiencing co-sleeping. Co-sleeping can promote bonding, convenience for breastfeeding, and a sense of security for the baby.
Step-by-step explanation:
Babies who share a parent's bed are experiencing co-sleeping. Co-sleeping refers to the practice of a baby sleeping in close proximity to their parent. It can promote bonding, convenience for breastfeeding, and can provide a sense of security for the baby. However, it is important to note that there are safety guidelines to follow when co-sleeping to minimize the risk of Sudden Infant Death Syndrome (SIDS).