Johny Srouji is Apple’s chief hardware officer and a member of Apple’s executive leadership team. Learn more about Johny.。

https://www.apple.com/jp/leadership/johny-srouji/

John Ternus is Apple’s CEO and a member of Apple’s executive leadership team. Learn more about John.。

https://www.apple.com/jp/leadership/john-ternus/

Estimating Sleep Stages from Apple Watch Estimating Sleep Stages from Apple Watch September 2023 Overview Apple Watch users can track their sleep with Apple...

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