lose consciousness (=go into a type of deep sleep that is not normal)
As she fell, she hit her head and lost consciousness for several minutes.
regain/recover consciousness (=wake up)
I wanted to stay at the hospital until he regained consciousness.
return to consciousness
When I returned to consciousness, my head was throbbing with pain.
bring somebody back to consciousness
The doctors were unable to bring her back to consciousness.
drift in and out of consciousness (=be awake and then not awake, and then awake again, etc)
He had a high temperature and was drifting in and out of consciousness.
Examples from the Corpus
consciousness• Compared to the rest of the universe, intelligence and consciousness and life are stableinstabilities.• Her legs were almost too shaky to hold her up and she felt consciousness closing down.• The whole problem is consciousness, organization and leadership.• I slice a piece out of my finger, see the bloodpour out, and lose consciousness.• He then grabs his throat with both hands, as if suddenly choking, closes his eyes and pretends to lose consciousness.• If you lose consciousness, even for a second, then you have sufferedbraindamage and must withdraw from further competition.• My consciousness was raised, my knuckles were rapped and I no longer write or think that way.• The death of President Kennedy almost 40 years ago still lives in the nationalconsciousness.• And the extent of these associative and other processes increases as we ascend the scale of consciousness.
regain consciousness• In many instances, the person with a majorseizure will be confused after regaining consciousness.• But when the man finally regains consciousness and staggers to a mirror, even he is unsure of who he is.• Mrs Fanshawe had regained consciousness in Stowerton RoyalInfirmary after her six-week-long coma.• He had regained consciousness, but was drowsy and uncomfortable.• He regained consciousness and crawled back to the house to be taken care of by his young wife.• The doctors don't know when he'll regain consciousness.• Officers tried to resuscitate him but he did not regain consciousness.• She regained consciousness in a corner of the wall; people were talking, including, it seemed to her DeputyYang.• Two and a half weeks after the accident, he began to regain consciousness.• She died without regaining consciousness.
public consciousness• The Olympiandeities themselves no longer dominatedpublic consciousness as they had done for centuries past.• It emerged in public consciousness as a reaction to Charles Darwin and the evolution controversy.• The Women's Liberation or FeministMovement was influential in bringing women's issues into public consciousness.• Inevitably, in time, some of the progressive ideas being put forwardseeped into public consciousness.• As a result this very large pay-out to 1.4m families has made scantimpact on public consciousness.• The United States' economicsuccess during the 90s embedded this idea in the public consciousness.• Leary belonged to that second string of artists, very good but never thrust into the public consciousness.• The bikecoalition is also seeking to raise the public consciousness about the benefits of biking.