Do people with diabetes have ADHD-like symptoms when they have too much sugar?

I am wondering if there are any links between diabetics eating too much sugar and being hyperactive, easily distracted, having memory loss, etc (exhibiting ADHD-like symptoms). I have personally just found out that I have very high blood sugar (close to diabetes) and also have been diagnosed with ADHD by some, and not by others. Could I be acting hyperactive only when eating too much sugar?