What specific metrics does the Apple Watch use to determine sleep stages and how reliable is that data really
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What specific metrics does the Apple Watch use to determine sleep stages and how reliable is that data really
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Apple Watch sleep stages algorithm metrics accelerometer heart rate HRV reliability polysomnography validation studyGoogle ↗
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Apple Watch sleep stages algorithm metrics accelerometer heart rate HRV reliability polysomnography validation study Google ↗
- Estimating Sleep Stages from Apple Watch · apple.com
- HeartRate_Calorimetry_Activity_on_Apple_Watch_November2024 · apple.com
- Sleep stage prediction with raw acceleration and photoplethysmography heart rate data derived from a consumer wearable device | SLEEP · academic.oup.com
- A Validation of Six Wearable Devices for Estimating Sleep, Heart Rate and Heart Rate Variability in Healthy Adults · pmc.ncbi.nlm.nih.gov
- A Validation of Six Wearable Devices for Estimating Sleep, Heart Rate and Heart Rate Variability in Healthy Adults · pmc.ncbi.nlm.nih.gov
- The accuracy of Apple Watch measurements: a living systematic review and meta-analysis · nature.com