What we think is that her problem is more about nerves than diabetes. We would like to know if there is anything you can do as we are desperate with this situation. It is true that when we are under stress our blood sugar levels do rise. However, also when we are under stress, we sometimes will exercise or be more active and that can lower our blood sugar levels as well. There are different types of insulin, and depending upon what type of insulin your wife is on, it will influence whether your wife's blood sugar is up or down at certain times.
Some people take a mixture of insulin.
Longer acting insulin. Secondly, where she takes her insulin injection will influence how fast her insulin will be absorbed. Also, food intake, other medications, and stress will affect her sugar levels. So, there are a number of things to cause her blood sugar to fluctuate. If her physician placed her on new medication, that will also affect her sugar levels.