
NASA is thinking about inducing a torpid state or hibernation in voyaging astronauts to reduce boredom, and reduce energy requirements (food).
It is likely that the genetic basis for this ability is ancient and widespread and that it could be exploited for various purposes. Its research could discover how to reduce metabolic rates and oxygen demands in human tissues, and could possibly save lives. The implications are many: osteoporosis, renal disease, heart, circulatory disease, etc.

Bears are fascinating creatures...