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I have a steady sleep schedule, don't drink too much alcohol and avoid caffeine after midday; yet, my sleep is far from being perfect. I often find myself tossing and turning in bed at night just
What is SpO2? And why should you care? Credit: Jimmy Westenberg / Android Authority Your fitness tracker is capable of monitoring all kinds of weird and wonderful things. The problem is keeping track of what, exactly, it all means! SpO2 is just one example of a lesser-understood metric that can provide insight into your health and wellbeing. You’ve probably seen it in your health app’s dashboard, but just what does it mean and what are you supposed to do with that information? We break down exactly what SpO2 measures, what good SpO2 levels look like, and more. What is SpO2?