Table 2.

STOP-BANG Questionnaire with permission from Chung et al⁴²

S Snoring	Do you snore loudly (louder than talking or loud enough to be heard through closed doors)?	Y/N
T Tired	Do you often feel tired, fatigued, or sleepy during daytime?	Y/N
O Observed	Has anyone observed you stop breathing during your sleep?	Y/N
P Blood pressure	Do you have or are you being treated for high blood pressure?	Y/N
B BMI	BMI more than 35 kg/m2	Y/N
A Age	Age over 50 years old?	Y/N
N Neck circumference	Neck circumference greater than 40 cm?	Y/N
G Gender	Gender male?	Y/N
High risk of OSA	‘Yes’ to three or more items
Low risk of OSA	‘Yes’ to less than three items

BMI, body mass index; OSA, obstructive sleep apnoea.