Baseline patient characteristics
| Patients | 75 |
| Male | 63 (84.0) |
| Age years | 61.91±10.33 |
| BMI kg·m−2 | 32.61±7.06 |
| AHI events·h−1 | 52.29±19.36 |
| CPAP compliance h·night−1 | 5.70±2.34 |
| Middle to superior studies | 61 (81.3) |
| Frequent use of smartphones | 64 (85.3) |
Data are presented as n, n (%) or mean±sd. BMI: body mass index, AHI: apnoea–hypopnoea index; CPAP: continuous positive airway pressure.