Sleep-related movement disorders represent a significant and often under-recognized aspect of pediatric sleep medicine. These disorders encompass a variety of conditions characterized by involuntary movements that occur during sleep or at the transition between wakefulness and sleep. Such movements can range from subtle, repetitive actions to more pronounced and disruptive behaviors, all of which can significantly impact the quality of sleep and, consequently, overall health and development. The importance of sleep in childhood cannot be overstated, as it is a critical period for physical growth, cognitive development, and emotional regulation. Disruptions in sleep due to movement disorders can lead to fragmented sleep architecture, resulting in insufficient restorative sleep. This, in turn, can manifest as daytime sleepiness, behavioral issues, impaired academic performance, and even long-term health consequences. The etiology of sleep-related movement disorders in children is multifactorial, involving genetic predispositions, neurobiological factors, and environmental influences. Understanding these underlying mechanisms is crucial for developing effective diagnostic and therapeutic strategies. Diagnosis often requires a comprehensive approach, including detailed clinical history, physical examination, and sometimes polysomnography to capture the specific movements and their impact on sleep. Management of these disorders is equally complex and necessitates a multidisciplinary approach. Treatment strategies may include pharmacological interventions and lifestyle modifications tailored to the individual needs of the child. The role of parents and caregivers is paramount in recognizing symptoms, seeking medical advice, and adhering to treatment plans. Education and support for families are essential components of effective management, helping them navigate the challenges associated with these disorders. Ultimately, the goal is to enhance the quality of life for affected children by ensuring they receive adequate, restorative sleep. This involves not only addressing the movement disorders themselves but also considering the broader context of the child’s health and well-being. By fostering a holistic approach that integrates medical, psychological, and social support, we can better address the needs of children with sleep-related movement disorders. This section aims to provide a thorough overview of sleep-related movement disorders in children, highlighting the importance of diagnosis, effective treatment, and ongoing support to mitigate the impact of these conditions.