The following questionnaire can determine if you are at risk of developing obstructive sleep apnea (OSA) by screening for 4 self-reportable and 4 demographic characteristics.
Note this is Property of the University Health Network.
Chung F et al. Anesthesiology 2008; 108: 812-821,
Chung F et al Br J Anaesth 2012; 108: 768-775,
Chung F et al J Clin Sleep Med Sept 2014.