I have been diagnosed with dysautonomia. I have severe shifts in blood pressure, especially when subjected to heat, to the point I almost stroke out. My pulse can be 158, even while asleep. I get dizzy spells, vertigo, insomnia, breathing irregularities, migraines, and tons of other symptoms. What's strange is that it all came on me after a bout of serious mono, where I was bedridden for over 2 years. My thyroid tanked. I developed most of these symptoms. And they seem to go away at times. I feel that I've had systemic candida for most of my life, but I've never been able to get it under contr