GLP1R and obesity due to melanocortin 4 receptor deficiency: Further research is essential to clarify the long-term effects of GLP-1 receptor agonists and bariatric surgery not only on obesity and sleep-related comorbidities such as OSA and OHS, but also on cognitive function, psychosocial wellbeing, and overall health outcomes—thereby informing evidence-based, multidisciplinary approaches to pediatric obesity management.