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Sleep Series Part 3: PPG Biophysics & Physiological Considerations

Explore PPG fundamentals, red vs. green light PPG, the limitations of reflectance PPG for oxygen saturation, and the impact of skin tone on measurement accuracy.

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Sleep Series Part 3: PPG Biophysics & Physiological Considerations
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Course info

  • Videos
    5
  • Length
    53min
  • Difficulty
    Advanced
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Description

Join Labfront Chief Medical Officer Andrew Ahn for the third Sleep Science Series talk, diving into photoplethysmography (PPG). Learn about red vs. green light PPG, reflectance PPG limits for oxygen saturation, and how skin tone affects accuracy. Plus the history, modern uses, and practical tips for wearables.

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