Narcosis

Narcosis may refer to:

In science

 * Carbon dioxide narcosis, carbon dioxide retention leading to a reduction in the hypoxic drive
 * Hydrogen narcosis, an effect of diving deep with hydrogen
 * Nitrogen narcosis, an effect of diving deep with nitrogen
 * Unconsciousness induced
 * by a narcotic drug
 * through anesthesia

In music

 * Narcosis (band), a punk band
 * "Narcosis", a song by Tomahawk from the album Tomahawk, 2001