How long had I been unconscious?

"How would you manage that? You will be unconscious".

Before Gaines can argue, he gets a call that one of his henchmen has found Kevin Carroll unconscious.

The old man, unconscious, bled profusely from a cut on his scalp.

So he set about the task of nursing her back to health, but at the end of the third day she fell into unconsciousness arid so passed away, apparently, with never a gleam of returning reason.