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

harmful substances from our product designs, and we go to great lengths to make sure that they stay that way. We are constantly designing our products to be...

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