Hi, just inquiring if anyone else has had the sensation that long acting insulin builds up in their injection sites? I've been a diabetic for 40 yrs, T1, lately the new long acting drugs seem to work fine and then out of the blue it's a major hypo with bs below 1. Anyone else had or having this problem? Diet exercise and life style hasn't changed. Making me a little concerned as I'm a volunteer fireman, my duty crew mates know that I'm type 1 and it only seems that hypo are at night. Thoughts?