Understanding your data
Read the overnight chart and make sense of every metric.
- Reading the overnight chartHow to read the SpO₂ and heart-rate trace for a night, and the dips and movement trend.
- Overnight analysis metricsODI, desaturation events, time-below thresholds and the bands beside them, explained.
- Heart rate and CVHRHow the cyclic variation of heart rate figure is counted, and what the numbers beside it mean.