Oxygen Data
Wellue O2 Ring overnight readings, parsed locally and stored in your browser. Use the import page on the dashboard to add a night.
What this page shows
An overnight pulse oximeter records your blood oxygen saturation (SpO2) and pulse every few seconds while you sleep. CPAP Clarity parses the Wellue O2 Ring's ViHealth CSV export client-side and surfaces three numbers that matter most: min SpO2 (how low your oxygen dipped), ODI 3% (how often it dropped 3 percent or more for at least 10 seconds, per hour), and time below 88%(the clinically significant hypoxemia threshold). Together they tell you whether your CPAP is reaching your oxygen, not just whether the machine's flow sensor is happy.
SpO2 readings can be affected by motion, finger temperature, skin pigmentation, and nail polish. A consumer pulse oximeter is a tracking and screening tool, not a diagnostic device. If you see persistent low SpO2 at rest, talk to a sleep physician.