![Sensors | Free Full-Text | Validity of Two Consumer Multisport Activity Tracker and One Accelerometer against Polysomnography for Measuring Sleep Parameters and Vital Data in a Laboratory Setting in Sleep Patients Sensors | Free Full-Text | Validity of Two Consumer Multisport Activity Tracker and One Accelerometer against Polysomnography for Measuring Sleep Parameters and Vital Data in a Laboratory Setting in Sleep Patients](https://www.mdpi.com/sensors/sensors-22-09540/article_deploy/html/images/sensors-22-09540-g001.png)
Sensors | Free Full-Text | Validity of Two Consumer Multisport Activity Tracker and One Accelerometer against Polysomnography for Measuring Sleep Parameters and Vital Data in a Laboratory Setting in Sleep Patients
![Garmin on X: "We don't make you buy your own data. All of this sleep information and more is free to you on your watch and through the Garmin Connect app. No Garmin on X: "We don't make you buy your own data. All of this sleep information and more is free to you on your watch and through the Garmin Connect app. No](https://pbs.twimg.com/media/FL414wvWUAIZIS0.jpg)
Garmin on X: "We don't make you buy your own data. All of this sleep information and more is free to you on your watch and through the Garmin Connect app. No
![No matter if it's very accurate or not, my REM sleep is 3 hrs average while deep sleep doesn't go beyond the hour mark often. The pattern looks normal though, deep sleep No matter if it's very accurate or not, my REM sleep is 3 hrs average while deep sleep doesn't go beyond the hour mark often. The pattern looks normal though, deep sleep](https://i.redd.it/aon1rlwypwj81.jpg)
No matter if it's very accurate or not, my REM sleep is 3 hrs average while deep sleep doesn't go beyond the hour mark often. The pattern looks normal though, deep sleep
![Why no REM tracking until I plug in and sync by Garmin Express? - Instinct Solar - Wearables - Garmin Forums Why no REM tracking until I plug in and sync by Garmin Express? - Instinct Solar - Wearables - Garmin Forums](https://forums.garmin.com/resized-image/__size/320x240/__key/communityserver-discussions-components-files/498/canvas.png)