I am not completely sure what you mean by the waves, but for me, what calms me down which is similar is thinking of numbers. I see/feel numbers in a way that is hard to explain, and it is very comforting.
And for the "shadow item" I have done that on many occasions.
_________________
"No, I don't know that atheists should be considered as citizens, nor should they be considered as patriots. This is one nation under God."
- George H. W, Bush
"God made me an atheist. Who are you to question his wisdom."