![Apple Watch tells me my blood oxygen drops during sleep. I highly doubt this is accurate. Getting a sleep study tonight to be sure. : r/AppleWatch Apple Watch tells me my blood oxygen drops during sleep. I highly doubt this is accurate. Getting a sleep study tonight to be sure. : r/AppleWatch](https://i.redd.it/tf4j0fpe44xa1.jpg)
Apple Watch tells me my blood oxygen drops during sleep. I highly doubt this is accurate. Getting a sleep study tonight to be sure. : r/AppleWatch
![Researchers find the blood oxygen sensor on Apple Watch to be as reliable as a medical grade device | Technology & Science News, Times Now Researchers find the blood oxygen sensor on Apple Watch to be as reliable as a medical grade device | Technology & Science News, Times Now](https://static.tnn.in/thumb/msid-95093358,width-1280,height-720,resizemode-75/95093358.jpg)
Researchers find the blood oxygen sensor on Apple Watch to be as reliable as a medical grade device | Technology & Science News, Times Now
![Lawsuit alleges Apple Watch's blood oxygen sensor 'racially biased'; accuracy problems reported industry-wide - ABC News Lawsuit alleges Apple Watch's blood oxygen sensor 'racially biased'; accuracy problems reported industry-wide - ABC News](https://i.abcnewsfe.com/a/2d502f2b-1e40-4eff-804b-619155fcc968/oximeter-1-gty-er-221229_1672337552625_hpMain_16x9.jpg?w=992)
Lawsuit alleges Apple Watch's blood oxygen sensor 'racially biased'; accuracy problems reported industry-wide - ABC News
![Why Apple Didn't Need FDA Approval for the Blood Oxygen Tracking Feature in the Apple Watch Series 6 - MacRumors Why Apple Didn't Need FDA Approval for the Blood Oxygen Tracking Feature in the Apple Watch Series 6 - MacRumors](https://images.macrumors.com/t/8cJTvbq-ts5avcf5KYnKwr8ZuVc=/3486x/article-new/2020/09/1blood-oxygen-app.jpg)