, and we use them to call and text with loved ones, take and store photos of our children, give us directions when we’re lost, count our steps, and send mon...

https://www.apple.com/jp/privacy/docs/Building_a_Trusted_Ecosystem_for_Millions_of_Apps.pdf

to assign a ground truth stage label for every 30-second epoch. In addition, at-home testing was performed using an EEG-based device with automated scoring ...

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