| Do you snore loudly? (loud enough to be heard through closed doors?) | | |
| Do you often feel tired, fatigued, or sleepy during the daytime? (or falling asleep while driving or talking to someone) | | |
| Has anyone observed you stop breathing or choking/ gasping during your sleep? | | |
| Do you have or are being treated for High Blood Pressure? | | |
| Do you have a Body Mass Index more than 35kg/m²? (BMI = Weight ÷ Height² ) | | |
| Age older than 50? | | |
| Neck size larger (measured around Adams apple) Male 43cm or larger or Female 41cm or larger | | |
| Male Gender? | | |