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About fasting, i think you did wrong. It is not one day experience. As muslims we do it for one month (from sun shine to sun down) and it eventually gets easier. Also having a large meal is not a good idea. Eat something to make you comfortable next hours. I suggest meditating afternoon instead of doing something that make you tired.You will be able to controlyour hunger reflex eventually. You will get hungry but not alerted searching food. However, I myself did not have any trance state during fasting but I cannot meditate either so I think you might be able to do.