Black Canary of the DC Comics Bombshells nearly drowns.

Black Canary, knocked out, is being carried away by two criminals. Source: Deviantart

Some mild Mera peril from 1965.

Mera faints, and later is in some peril.

Mera in some very weak peril from her first appearance.

Superwoman is drained of her powers while fighting the villainess Midknight.

An evil scientist kidnaps his wife to experiment on.

Two criminals knock out Wonder Woman with a crowbar. Once she's down, they grab her and carry her away. Source: Deviantart

Quick head KO of an unknown woman.

Cover shot of Batgirl unconscious.

Batman drugs Selina Kyle and then himself.

In this issue, Jean Grey is overcome by the Phoenix Force and remains unconscious as she fights the Phoenix in her mind. Eventually, the Phoenix Force takes over and Quentin is forced to use a psychic gun to put Jean's mind to sleep.

Doc Rocket is gassed by the villain.

Hepzibah and the other Starjammers are KOed by a mysterious alien creature.

Peach-Head gasses Veronica.

A sorceress knocks out Vampirella with a baseball bat.

An actress passes out during a movie shoot when a smoke machine goes haywire.

Lauraline is knocked unconscious when her ship crashes into a planet.

A series of KOs involving the lovely Laureline.

Three scenes: 1. A woman is asleep in her bed. 2. The same woman faints. 3. The same woman faints again.