SNORING: do you snore loudly (loud enough to be heard through closed doors)?	YES	NO
TIRED: do you often feel tired, fatigued, or sleepy during daytime?	YES	NO
OBSERVED: has anyone observed you stop breathing during your sleep?	YES	NO
BLOOD PRESSURE: do you have or are you being treated for high blood pressure?	YES	NO
BMI more than 35 kgm/m²?	YES	NO
AGE: age over 50 years old?	YES	NO
NECK circumference: neck circumference > 40 cm?	YES	NO
GENDER: male?	YES	NO