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

for substances of high concern. Apple may verify supplier data and compliance to this specification utilizing our in-house laboratory. Effective Date: This ...

https://www.apple.com/jp/environment/pdf/Apple_Regulated_Substances_Specification_Sept2018.pdf