Haha, I'm the OP, I use the insulin pump ;)

> You wake up from hypoglycemia, long before there is more trouble

And this is one of the main styles of diabetic death - not waking up (diabetic comatose).

> And the sensor doesn't post glucose levels for example if it gets detached.

I was more referring to the circumstance when you're lying on your sensor in a funny way, and it begins reporting incorrect levels.