In adulthood, the prevalence of sleep problems begins to increase around age ____ years, but increases substantially again after age ____ years

a. 10; 30
b. 20; 40
c. 40; 60
d. 60; 80

Answer: C

Psychology

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What is a problem that is commonly experienced by individuals in midlife who are obese, have cardiovascular disease, or who are depressed?

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