The alarm fatigue is no joke, and CGMs get less accurate the lower ones blood glucose goes, so false alarms on the low end are common. My wife has a Tandem T:S

The alarm fatigue is no joke, and CGMs get less accurate the lower ones blood glucose goes, so false alarms on the low end are common. My wife has a Tandem T:Slim and Dexcom G6 and she can't turn off the urgent low alarm. The alarms drive her totally crazy. Though I'm happy to know at least the system will disable her basal rate if she's heading low.