Characteristics of swimmers who underwent overnight pulse oximetry and actigraphy
| Elite swimmers (n=20) | |
| Gender, M:F (M:F, %) | 10:10 (50:50) |
| Age (years) | 20.7 (±3.4) |
| Smokers (%) | 0 (0) |
| BMI, mean (±SD) | 22.6 (±3.2) |
| Poor sleepers (%) | 8 (40) |
| Excessive daytime sleepiness (%) | 5 (25) |
| Total PSQI score, mean (±SD) | 5 (±2.8) |
| Total ESS score, mean (±SD) | 8 (±4.7) |
| ODI ≥5 (%) | 6 (30) |
| ODI ≥5 and ESS score >10 (%) | 3 (15) |
BMI, body mass index; ESS, Epworth Sleepiness Scale; ODI, oxygen desaturation index; PSQI, Pittsburgh Sleep Quality Index.