Abnormalities predisposing to obstructive sleep-disordered breathing (SDB) in childhood
1. Adenotonsillar hypertrophy, allergic rhinitis
2. Obesity
3. Craniofacial abnormalities in non-syndromic children: retrusive chin, steep mandibular plane, class II malocclusion
4. Maxillary hypoplasia in craniosynostosis syndromes
5. Mandibular hypoplasia without or with cleft palate
6. Neuromuscular disorders
7. Complex conditions: achondroplasia, Chiari malformation, Down syndrome, mucopolysaccharidoses, Prader–Willi syndrome
