app. The initial sleep-tracking feature, released in 2020 (with iOS 14 and watchOS 7), included a determination of two states — asleep or awake — for each 3...

https://www.apple.com/jp/healthcare/docs/site/Estimating_Sleep_Stages_from_Apple_Watch_Sept_2023.pdf

participant provided written informed consent to participate in the protocol approved by the institutional review board (IRB). At a screening visit after co...

https://www.apple.com/jp/health/pdf/Hearing_Health_Features_on_AirPods_Pro_2_October_2024.pdf