Tips for Erratic Pulse Oximeter Data

If the pulse oximeter data is erratic or does not appear, you can try these tips.

  • Clean and dry your arm before putting on the sleep band.
  • Wear the sleep band at heart level.
  • Avoid wearing sunscreen, lotion, and insect repellent under the sleep band.
  • Avoid scratching the optical sensor on the back of the module.
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September 2025