This sort of comprehensive body tracking was, when the Apple Watch first launched, both technologically infeasible and well beyond the privacy norms of the time. In 2024, a diagnostic watch that tracks your vitals as you sleep is a pretty easy sell — people seek out alternatives by the millions.

Over the past week, the FDA cleared two of Apple's new health features: The agency approved AirPods Pro 2's new hearing-aid feature, as well as sleep apnea detection on compatible Apple Watches.

Sleep apnea is an increasingly common condition where a person temporarily stops breathing while asleep, which can cause blood oxygen levels to drop. This can lead to loud snoring or result in people waking up feeling tired.