Blood pressure has been checked several times, and is good, well within limits. Having occasional (once every couple of days) dizzy spell which comes on for just a few seconds of strong deja vu, and sweaty head. Discussed with doctor, and he believes it is hypoglcemia based on situation. But now getting these spells more frequently, even an hour after eating a full meal, and even while I sleep. Diabetes? Mini-stroke? 49 - non smoker, tennis player once per week.