This sounds like dawn phenomena when the liver dumps glucose into your system to get you moving in the morning. There are a variety of threads on this forum about it. It appears that there is little if anything that can be done to stop it but have a search and read about it on the forum. It is usually the last indicator to drop as you gain control of glucose. If its any consolation mine was dropping but has recently risen again with no change in diet, exercise or Hba1c. No idea why.