Table 2.

Population at high risk for sleep disordered breathing

Populations at high risk for sleep-disordered breathing and obstructive sleep apnea	History and symptoms prompting sleep evaluation by polysomnography
History of Stroke	Daytime sleepiness (≥10 Epworth Sleepiness Scale)*
Obesity (body mass index > 30)*	Loud and habitual snoring*
Congestive heart failure	History of hypertension*
Atrial fibrillation	Gasping/choking at night
Refractory hypertension	Witnessed apneas
Type 2 diabetes	Short-lasting morning headaches
Nocturnal dysrhythmias	Frequent awakenings
Nondipping blood pressure	Memory loss
Pulmonary hypertension	Decreased concentration
Shift workers	Frequent nocturia

^*Berlin Questionnaire items.