Please answer these 8 questions below to screen for obstructive sleep apnea
1 Do you snore loudly? (Louder than talking or loud enough to be heard through closed doors)
2 Do you often feel tired, fatigued, or sleepy during the daytime?
3 Has anyone observed you stop breathing during sleep?
4 Do you have (or are you being treated for) high blood pressure defined as blood pressure greater than 140/90 mmHg?
5 Do you have BMI (calculated by dividing weight in kilograms by height in meters squared) more than 35 kg/m2?
6 Are you aged over 50?
7 Is your neck circumference greater than 40 cm?
8 Are you male?

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