I know that in alpha you are relaxed and all, but I want to know do you experience something like yawning, itching etc. when in alpha. I know you do in normal state but do you in alpha?

I sometimes do. Thus the main question is: Am I in alpha state if I experience itch for example? Or you don't feel something like that at all?

That might be a good way to know if you're in state - if you feel what you normally feel, then you're not.