“We should understand the mother and child as a mutually responsive dyad. They are a symbiotic unit that make each other healthier and happier in mutual responsiveness. This expands to other caregivers too. -Darcia Narvaez” AttachmentMothersBabiesBreastfeeding Book:Impact of Sleep Training and Cry it Out: Excerpt from The Science of Mother-Infant Sleep Source: Impact of Sleep Training and Cry it Out: Excerpt from The Science of Mother-Infant Sleep