state. Apple developed a sleep staging classifier algorithm that’s based on accelerometer signals derived from Apple Watch. The accelerometer signals contai...

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

disclosure programs and Environmental Testing Lab helps inform material selection decisions across our product life cycle. And we continue to innovate. We’r...

https://www.apple.com/jp/environment/pdf/Apple_PFAS_Commitment_November-2022.pdf