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#60 - Ask Me Anything Pt.1

The Matt Walker Podcast

The Accuracy of Sleep Trackers in Differentiating Sleep Stages and Methods Used

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Sleep trackers like Aura are known to be more accurate in differentiating between various sleep stages, but all trackers struggle to accurately distinguish light non-rem sleep, deep non-rem sleep, and REM sleep. This task is more challenging for algorithms. Sleep trackers utilize multiple signals such as movement, accelerometer, pulse oximetry, temperature, and oxygen sensors to assess sleep stages and even detect potential sleep apnea.

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