This unalived body just moved on its own… It's called the Lazarus sign — and it terrifies medical staff who aren't expecting it. After brain death, a patient can suddenly raise their arms, cross them over their chest, and drop them back down. Completely on their own. No heartbeat. No brain activity. Clinically dead. So how is this possible? It's a spinal reflex. Even after the brain shuts down, the spinal cord can still fire off signals independently — causing movement without any consciousness