Neuroradiology Assesses Chiari Malformation's Impact on Airways, Cranial Base, and Sleep Disorders in Children.

Inclusion Criteria: * Children (males or females) aged between 3 years and 18 years. * Clinical diagnosis of Chiari malformation 1 and 2. * Presence of informed consent for the initial clinical evaluation. The investigators commit to providing appropriate informational sheets to the parents of the patients (for those included in the study) during the initial clinical evaluation. Exclusion Criteria: * Chiari Malformation I and II associated with neurological diseases or craniofacial malformations. * Cranial trauma or cardiac arrest. * Administration of centrally acting medications within 2 weeks prior to the study, except for antiepileptic treatment for patients who have had seizures. * Associated brain and cranial base tumors. * Refusal to sign the informed consent for the initial clinical evaluation. The investigators commit to providing appropriate informational sheets to the parents of the patients (for those included in the study) during the initial clinical evaluation.