I don't want to be rude, but it's really hard to understand what you want to say in your posts. Maybe it's the language barrier, but to me it sounds you're just posting nonsense. Sorry.:icon_bigs
:five: :top:Nothing warms up the brain - like intelligent games. Poker is one of them.
The only thing I use is caffeine from coffee or maybe tea, and not that often. Otherwise, I will take the 5 minute break and jump into a cold shower for about a minute. That usually wakes me up and helps me refocus if it's a long day/MTT.
A lot of sleep, some excercises, mind free of bad things... and it shoud be ok to have concentration during session. There is no medicine to improve inteligence