Sleep training experts argue that infants can self-soothe, but they demonstrate a profound lack of neurobiological accuracy. This is such harmful information for new parents who are trying to do the right thing for their little ones. Infants can’t self-soothe. Self-soothing is a sophisticated higher function that develops much later in life. In fact, most adults can’t self-soothe. And why do adults who prefer sleeping with a partner expect a baby to sleep alone?