Okay, this is a little disturbing. Frying the mind is pretty serious. I have not tried the Sudarshan Kriya because I found this blog before becoming involved with AoL. The person who recommended I take the course also gets terrible headaches from practicing sudarshan kriya.
Yoga techniques are said have come from masters who would do them spontaneously in samadhi. The techniques were later formalized. I think that's how kriya came about too. RS may have just spontaneously started breathing in soham...and seen some good effects in himself. Later the technique was refined (by trying the mantra on human guinea pigs), and lo and behold Sudarshan Kriya was born.
It is not bad technique, especially for beginners. But willful techniques have a beginning and an end. At some point you have to drop techniques and just be natural.
Further to strengthen your energy-body you may follow those practices which Acharya ji has suggested to Arun at the following link - -effects-of-sudarshan-kriya/
It is what you can start now and comeback with your feedback.
Dear Acharya,
I was suffering a lot from sleep problems and dizziness and on a whim one day I did Kapaal Bhati and anulom vilom and that night I got great sleep. This was the case for the next 5 days. 6th day, I got food poisoning and my sleep became bad again. This was in 2011. I still continued Kapaal Bhati and anulom vilom though I got not much benefit from it. Then in 2012, my dizziness got resolved on its own and over a period of another 3 months, with homeopathy, my sleep problems also got resolved. I started doing Sudarshan Kriya around June 2012 and since then, I started getting instant sleep(earlier, it would take me about 30-45 minutes to fall asleep after going to bed). Around Dec 2012, I developed a pain in my left foot which was diagnosed as flat foot and I did some excercises for strengthening the arches and the pain was not too high. Then in April 2013, I started climbing stairs in order to get excercise and used to climb 7 floors 3 times a day. Around June 2015, my right knee started getting some pain and I stopped climbing stairs and avoided putting strain on my legs by avoiding unnecessary stairs climbing. The pain was there in my right knee, but very mild and orthopaedics only advised excercise.
Around June 2016, I got a food poisoning and after about 2 weeks, my stomach settled, but I got severe dizziness. My left foot pain and right knee pain were pretty much same and nothing much changed in that regard. In Aug 2016, my right ear felt full and started giving a whistling sound and after that, my sleep went bad and till now it is not back to normal. Around Sep 2016, my left knee also started having similar pain as my right knee. Since Oct 2016, I have stopped sitting in Vajrasan while doing sudarshan kriya in order to avoid any strain on my legs. Now since the last two months, my calf muscles are feeling tight in both my legs and last 3-4 days it is much worse. Is this due to the pranayam? I do not want to stop the sudarshan kriya and kapal bhati and anulom vilom since I did get some decent benefits out of them initially and probably due to that I did not think that the pain in my left heel could be because of it. But if they are going to make things worse for my legs, I think I should stop them. Need your kind advice regarding the same