You also can’t wear jewellery of any kind, including watches when working at any food manufacturing facility.

Yes. Third party apps seem to have this capability but it’s not native to Apple

Sleep apnea and snoring detection. If you don’t know you are stopping breathing or have obstructed airways when you are sleeping, how can you get them addressed? I know there’s apps that have this feature but having it built in would be amazing. Built in heart rate alerts for a custom heart rate(s) you enter and have those 24/7, not just when at rest. Super helpful for those of us with energy limiting illnesses who have been advised to keep our bodies from getting above a certain heart rate. More frequent blood oxygen readings. There’s no way to adjust the frequency.