It is always difficult to make an expressive image while not taking advantage of a sleeping subject. This image works because you have done more than just making a "cheap shot" cliche of a person asleep with her mouth open. Instead, you link the body language with the structure of the chair by finding a camera angle that aligns the matching rhythms of the fingers with the grooved arm rests. You also link the sleeping person with the grid of the floor through reflection. Well composed and executed.
