Sleep regression in toddlers, specifically between the ages of three and four, is a common phenomenon characterized by disrupted sleep patterns. Children at this age are rapidly evolving and their bodies are preparing for的重大发育里程碑包括走路、说话的能力。
Sleep regression in toddlers, specifically between the ages of three and four, is a common phenomenon characterized by disrupted sleep patterns. Children at this age are rapidly evolving and their bodies are preparing for的重大发育里程碑包括走路、说话的能力。