Was sick — Being overwhelmed by a sense of the calamity that should befall the people of God. Did the king's business — Having recovered strength, he minded his place, duty and trust, and concealed the whole, that they might not see it by his countenance.
Related Commentaries of Daniel 8:27
Daniel 8:27
27 And I Daniel fainted, and was sick certain days; afterward I rose up, and did the king's business; and I was astonished at the vision, but none understood it.