Correlational research shows that people who consistently sleep less than 7 hours exhibit a(n) _____ mortality risk, and people who consistently sleep more than 8 hours exhibit a(n) _____ mortality risk.
A)increased; decreased
B)decreased; increased
C)increased; increased
D)decreased; decreased

Question

Quizplus · Accepted Answer

Correlational research has found that both sleeping less than 7 hours and more than 8 hours are associated with an increased risk of mortality, suggesting that there is a "sweet spot" for the amount of sleep that is healthiest for most people.

Correlational Research Shows That People Who Consistently Sleep Less Than