A Recent Meta-Analysis of 16 Prospective Studies on Sleep and Mortality

A recent meta-analysis of 16 prospective studies on sleep and mortality revealed that ________.

A) sleep is unrelated to an individual's mortality
B) people who slept between six to eight hours a day lived longer
C) people who slept less than six to eight hours showed greater longevity
D) people who slept more than six to eight hours showed greater longevity