![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
![Comparison of SpO2 and heart rate values on Apple Watch and conventional commercial oximeters devices in patients with lung disease | Scientific Reports Comparison of SpO2 and heart rate values on Apple Watch and conventional commercial oximeters devices in patients with lung disease | Scientific Reports](https://media.springernature.com/full/springer-static/image/art%3A10.1038%2Fs41598-021-98453-3/MediaObjects/41598_2021_98453_Fig1_HTML.png)
Comparison of SpO2 and heart rate values on Apple Watch and conventional commercial oximeters devices in patients with lung disease | Scientific Reports
![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)
Why Apple Didn't Need FDA Approval for the Blood Oxygen Tracking Feature in the Apple Watch Series 6 - MacRumors
![Best Apple Watch alternatives for blood oxygen tracking: Garmin, Google Pixel and more - CBSSports.com Best Apple Watch alternatives for blood oxygen tracking: Garmin, Google Pixel and more - CBSSports.com](https://sportshub.cbsistatic.com/i/r/2023/09/14/b2eee5dd-c688-4fc9-9340-4d0cd6237c55/thumbnail/1200x675/72791b0835d136b27ea2c8951c5e167c/apple-watch-9-hero.jpg)
Best Apple Watch alternatives for blood oxygen tracking: Garmin, Google Pixel and more - CBSSports.com
![How Accurate Is Blood Oxygen on Apple Watch: Unveiling the Truth About Its Monitoring Precision - GadgetMates How Accurate Is Blood Oxygen on Apple Watch: Unveiling the Truth About Its Monitoring Precision - GadgetMates](https://i.ytimg.com/vi/EI-Bsvo7sHs/hqdefault.jpg)
How Accurate Is Blood Oxygen on Apple Watch: Unveiling the Truth About Its Monitoring Precision - GadgetMates
![How Accurate Is Blood Oxygen on Apple Watch: Unveiling the Truth About Its Monitoring Precision - GadgetMates How Accurate Is Blood Oxygen on Apple Watch: Unveiling the Truth About Its Monitoring Precision - GadgetMates](https://gadgetmates.com/wp-content/uploads/2024/01/Apple-Watch-Ultra-2.jpg)