Carlos Amejo, 33, of Caracas, Venezuela, was reportedly declared dead after a car wreck but woke up during an autopsy. (A Reuters report, summarizing an article from the Spanish-language El Universal, doesn't state why an autopsy had been ordered.) Amejo allegedly became alert when examiners started to stitch up an incision on his face. From Reuters:
"I woke up because the pain was unbearable," Camejo said...Link (Thanks, Lindsay Tiemeyer!)
His grieving wife turned up at the morgue to identify her husband's body only to find him moved into a corridor -- and alive.