The 4-month sleep “regression”
Throughout the breastfeeding journey, there are many moments of change. Some of these new situations are directly related to the baby’s growth and development. Sleep is one of these areas of development. The newborn will go through an evolutionary process of sleep during the first years of its life until sleep is considered more mature. At first, the infant has only two phases of sleep: active sleep and deep sleep. Active sleep is the phase of sleep in which rapid…