Oxygen saturation by average and percentage of TST ranges
| Average | Median | SD | Range | |
| SpO2 during wake | 98.3 | 98.3 | 0.8 | 97–100 |
| SpO2 during NREM | 97.7 | 97.8 | 1.0 | 95.3–99.9 |
| SpO2 during REM | 97.9 | 97.9 | 1.0 | 94.9–99.9 |
| SpO2 during sleep | 97.8 | 97.9 | 1.0 | 95.1–99.9 |
| % of TST with SpO2 >96% | 87.32 | 95.21 | 18.46 | 12.85–100 |
| % of TST with SpO2 >92%–96% | 12.57 | 4.79 | 18.34 | 0–86.81 |
| % of TST with SpO2 >88%–92% | 0.09 | 0.38 | 0.02 | 0–3.39 |
| % of TST with SpO2 <88% | 0.01 | 0 | 0.04 | 0–0.37 |
NREM, non-rapid eye movement; REM, rapid eye movement; TST, total sleep time.