According to a current research "The National Heath Interview Survey" conductedby the Centers for Disease Control and Prevention, home health aides, law enforcement officers, physicians arethe shortest sleepers in US. Base onanalyzingindividual sleep habits and job requirements, the survey shows thatnone of them sleep 8 - hours which we had been all taught to bethe leastfor our healthy life.
The marriage certificates of the children always mention the death or not of their parents. In the most recent civil status records, the date and place of death are even mentioned. Similarly, the death certificates of the children make it possible to know whether their parents were deceased or not, but without more precision.