This is what it could look like if human hibernation was a reality
Evidence is mounting that humans have the biological hardware necessary to benefit from certain aspects of hibernation. These mechanisms can be activated to treat cardiac arrests, increase longevity and allow people to travel farther into space.
Source:
https://www.newscientist.com/article/mg25634080-400-human-hibernation-is-a-real-possibility-this-is-how-it-might-work/