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