Sleep
SpO2 Sleep Tracking
SpO2 sleep tracking measures blood oxygen saturation overnight via pulse oximetry on supported devices. Brief dips can be normal; sustained low values may suggest breathing issues worth medical follow-up.
SpO2 sleep tracking measures blood oxygen saturation overnight via pulse oximetry on supported devices. Brief dips can be normal; sustained low values may suggest breathing issues worth medical follow-up.
Cold hands and poor fit cause noise.
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