Scientists want to know if astronauts can hibernate during long spaceflights. First, they need to understand what hibernation is...
Category: Science fiction
Hypercapnic hypoxia in the movie The Abyss

In one scene the mini-sub is damaged and is taking on water. With only one functional diving suit, Lindsay opts to enter deep hibernation when the ocean's cold water engulfs her. What Lindsey is describing is essentially prof. Giaja's method of inducing hypothermia with hypercapnic hypoxia.