GreatApo

//Adb commands to leading all variable I have found:
adb shell content query --uri content://settings/global 
adb shell content query --uri content://settings/system
adb shell content query --uri content://com.huami.watch.companion.settings
adb shell content query --uri content://settings/secure
adb shell content query --uri  content://com.huami.watch.health.heartdata

//example to get or set one of them:
adb shell settings get system slpt_refresh_in_sec
adb shell settings put system slpt_refresh_in_sec 0