Heinlein story time! Door into Summer https://en.wikipedia.org/wiki/The_Door_into_Summer https://en.wikipedia.org/wiki/The_Door_into_Summer Protagonist signs th

Heinlein story time! Door into Summer https://en.wikipedia.org/wiki/The_Door_into_Summer https://en.wikipedia.org/wiki/The_Door_into_Summer Protagonist signs their life away for a 'cold sleep' that will allow them to wake up many years later. Tech is iffy. They do it because they are desperate, and the interest gained over time should make them rich (doesn't happen of course).