Sleep deprivation and abnormal sleep patterns (e.g., related to shift work), as well as sleeping too much, are associated with poorer physical health. Given these factors, what might you expect to be the relationship between sleep duration and obesity?
A. A linear relationship, where greater sleep duration is associated with higher body weight
B. A linear relationship, where greater sleep duration is associated with lower body weight
C. A U-shaped relationship, where the highest and lowest sleep durations are associated with higher body weigh.
D. A U-shaped relationship, where the highest and lowest sleep durations are associated with lower body weight
Answer: C
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