am I dreaming as a butterfly or as a man?

I have read and been inspired by the book

 "The Afterlife of Billy Fingers".

(Not a paid advertisement. I just love the book!)

~~~~~

Once upon a time, I, Chuang Chou, dreamt I was a butterfly, fluttering hither and thither, to all intents and purposes a butterfly. I was conscious only of my happiness as a butterfly, unaware that I was Chou. Soon I awaked, and there I was, veritably myself again. Now I do not know whether I was then a man dreaming I was a butterfly, or whether I am now a butterfly, dreaming I am a man. Between a man and a butterfly there is necessarily a distinction. The transition is called the transformation of material things. 

Chuang Chou