Comment by cartermatic

Has a method of long term stasis been found yet (like you see in Interstellar or other movies) where you can nap and be kept alive for that long? Otherwise I think you'd still need to overcome the mental limitations of being stuck in a metal tube for thousands of years with no way out and no way to pass the time. Or at the very least, some way of staying asleep for a few years--wake up for a few months--sleep for a few years--wake up for a few months and so on.