In the end, though, death is always at least a little painful. Perhaps the only truly peaceful way to go is while asleep—but no one has ever come back to say that this didn’t hurt. If your heart stops while you sleep, it is certainly possible that your brain will recognize a problem and wake you up at the very moment when it is too late. So what we cannot help but let Nature do, we ought not to force on others for any reason. If we do so, it might be fair to say that we law-abiding people, who embody the justice system, are guilty of equal cruelty towards criminals who commit murder. The United Nations’ Universal Declaration of Human Rights, for one, dictates that “no one shall be subjected to torture or to cruel, inhuman or degrading treatment or punishment.”