Paragraph

 1 1|    inference is clear, that the organ, in virtue of which animals
 2 1|       the function of a special organ, this also, if it continues
 3 1|    sleep is an affection of the organ of sense-perception—a sort
 4 1|      sleeps must needs have the organ of sense-perception. Now,
 5 2|          common and controlling organ of sense-perception]. This
 6 2|          with which this common organ is chiefly connected], alone, [
 7 2|       also. For, when the sense organ which controls all the others,
 8 2| powerless, that the controlling organ should also become powerless
 9 2|   neither arisen in some casual organ of sense, nor from some
10 2|         its seat in the primary organ with which one perceives
11 2|        external, in the primary organ of sense, [we conclude]
12 2|   waking are affections of this organ, the place in which, or
13 2|      the place in which, or the organ in which, sleep and waking
14 3|  exactly happens to the primary organ of sense-perception to account