Well, I'm confused. My morning fasting  BGs are always between 7 and 8.5 - usually high 7s - low 8s. Today, at 08.40, using the last strip from my Sinocare machine I had 6.1 and then, because I didn't believe it, I did two on my Gluco RX and the readings were 5.7 and 5.5. What's going on? I...