Ulysses by James Joyce Chapter 17 Page 25

encountering female acquaintances in remote places at incustomary hours: quiet reflections upon the course of the day: a cleaner sensation when awaking after a fresher sleep since matutinal noises, premonitions and perturbations, a clattered milkcan, a postman’s double knock, a paper read, reread while lathering, relathering the same spot, a shock, a shoot, with thought of aught he sought though fraught with nought might cause a faster rate of shaving and a nick on which incision plaster with precision cut and humected and applied adhered: which was to be done.

Why did absence of light disturb him less than presence of noise?

Because of the surety of the sense of touch in his firm full masculine feminine passive active hand.

What quality did it (his hand)