I’ve had the Libre a month now, but last week said gluscose levels low 2.9, so had jelly babies, alarm went off again, ate more jelly babies, then in the evening low again so I thought I’d prick my finger, no I wasn’t low I was 7.9, maybe the sensor had an off day. Other then that day it has made my life so much easier
I've had the same issue before Kazzy, it somehow repairs itself, I've since learnt to do a finger prick test now every time my alarm goes off, doesn't happen very often but a nuisance when it does, hope you're doing ok apart from that