According to a longitudinal sleep study begun in 1982, people sleeping this average number of hours per night are much less likely to have died.
A) 6
B) 8
C) 9
D) 7

Question

Quizplus · Accepted Answer

The correct answer is 7 hours. Numerous studies, including longitudinal ones, have found a correlation between average sleep duration and mortality rates, often showing that around 7 hours of sleep per night is associated with the lowest risk of death.

According to a Longitudinal Sleep Study Begun in 1982, People