or vice versa (REF_HTF) to control for the variable of listening fatigue or practice effects after。
https://www.apple.com/jp/health/pdf/Hearing_Health_Features_on_AirPods_Pro_2_October_2024.pdf
The design and validation of the algorithm is described in the next section and in Table 1. The output labels of Awake and REM refer to the corresponding cl...
https://www.apple.com/jp/healthcare/docs/site/Estimating_Sleep_Stages_from_Apple_Watch_Sept_2023.pdf