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A short educational YouTube monologue by Dr. Charles Mok explaining how suspected sleep apnea is evaluated. He describes initial screening with the STOP-BANG questionnaire and bed-partner observations, defines the apnea–hypopnea index (AHI), and contrasts in-lab polysomnography (gold standard) with at-home testing. He advises that at-home devices are generally adequate for otherwise healthy people, while patients with other medical conditions may require in-hospital testing; in-lab testing is more inconvenient, expensive, and insurance-dependent.










