From sci-fi movies to real-world startups, the idea of freezing your body and waking up decades later is gaining attention. Some people are already choosing cryopreservation after death, hoping future tech can bring them back. But experts warn: true cryosleep—where you’re frozen and revived alive—is still far beyond current science. Cells get damaged, the brain suffers, and no human has ever been successfully revived. Researchers are exploring ways to slow metabolism (like hibernation) for space travel, but full-body freezing remains a futuristic dream—for now. Read More.