Sleep Apnea + Wearables: Part 2: What can I learn about sleep apnea via wearables?

  • Why did the two sleep apnea tests have such different results?
  • Is it important for the person to not sleep on their back? (One test indicated they were, and the other indicated they weren’t)
  • Are there any other behaviors or signals tied to increased sleep apnea?
  • Wellue O2 monitor, sleep position mobile app
  • About one month of nightly real time measurements, including heart rate and SpO2.
  • Sleep apnea can be characterized by low oxygen events, which I’m considering to be when oxygen drops below 92% for two 5 second intervals. The literature most often considers a low oxygen event to be a 4% decrease in SpO2 which, in general, is less conservative than this approach.

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