![Sensors | Free Full-Text | Validity of Peripheral Oxygen Saturation Measurements with the Garmin Fēnix® 5X Plus Wearable Device at 4559 m Sensors | Free Full-Text | Validity of Peripheral Oxygen Saturation Measurements with the Garmin Fēnix® 5X Plus Wearable Device at 4559 m](https://www.mdpi.com/sensors/sensors-21-06363/article_deploy/html/images/sensors-21-06363-g001.png)
Sensors | Free Full-Text | Validity of Peripheral Oxygen Saturation Measurements with the Garmin Fēnix® 5X Plus Wearable Device at 4559 m
Pulse oximeter only tracks for a few hours during the night. - Forerunner 245 Series - Running/Multisport - Garmin Forums
![My spo2 level drops 5-10 times at night. Sometimes down to 78. Should I worry ? Avarage is allways above 90 - Instinct Solar - Wearables - Garmin Forums My spo2 level drops 5-10 times at night. Sometimes down to 78. Should I worry ? Avarage is allways above 90 - Instinct Solar - Wearables - Garmin Forums](https://forums.garmin.com/resized-image/__size/960x720/__key/communityserver-discussions-components-files/498/021D3EB4_2D00_5AC1_2D00_4131_2D00_8633_2D00_750E62C49F63.png)
My spo2 level drops 5-10 times at night. Sometimes down to 78. Should I worry ? Avarage is allways above 90 - Instinct Solar - Wearables - Garmin Forums
![Garmin patent revealed with aim of improving SpO2 monitoring in smartwatches - NotebookCheck.net News Garmin patent revealed with aim of improving SpO2 monitoring in smartwatches - NotebookCheck.net News](https://www.notebookcheck.net/fileadmin/Notebooks/News/_nc3/2019010315245073_32546456.jpg)