Table 1.

Inclusion/Exclusion criteria.

Inclusion Criteria	Exclusion Criteria
Children ages 2 to 14 years, both sexes	Inability to perform the HST
Children with clinical suspicion of OSA (defined in text)	Severe or unstable underlying cardiovascular, renal, or respiratory disease
Children referred for a sleep study for suspected OSA	Children with genetic craniofacial syndromes, Down syndrome, or neuromuscular diseases
Informed consent (parents or legal guardian children)	Children with chronic insomnia and/or depression, autism, psychiatric condition, developmental delay
	Complete or almost complete nasal obstruction that prevents obtaining a quality signal with the HRP
	History of surgery for OSA and/or previous treatment with continuous positive airway pressure.
	Place of residence more than 100 km from the sleep center
	Abbreviations: OSA, obstructive sleep apnea, HRP: home respiratory polygraphy