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Turning On Pulse Oximeter Sleep Tracking

You can set your device to continuously measure your blood oxygen saturation, or SpO2, while you sleep (Tips for Erratic Pulse Oximeter Data).

NOTE: Unusual sleep positions can cause abnormally low sleep-time SpO2 readings.
  1. Hold the touchscreen to view the menu.
  2. Select Settings symbol > Heart rate settings symbol > Pulse oximeter sleep symbol.
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