A case of someone being dead for a period of time and coming back to life

it is said to be

Her heart had stopped beating and she was no longer breathing. Janina Kolkiewicz was declared dead. At 91 years old, she had lived a long life. But she was not about to stop living it. Eleven hours later, she awoke in the hospital mortuary with a craving for tea and pancakes. As inconceivable as it sounds, Kolkiewicz is just one of many people said to have "risen from the dead."