medium · GRE Verbal Reasoning
In a large survey of adults, those who took a short nap most afternoons had significantly lower rates of hypertension than those who never napped. The researchers concluded that regular afternoon napping helps protect against hypertension.
Which of the following, if true, provides the most support for the researchers' conclusion?
- Most of the adults surveyed reported that they would nap far more often if their daily schedules allowed it.
- Adults with highly demanding jobs, a known risk factor for hypertension, rarely have time for afternoon naps.
- In countries where afternoon napping is customary, adults report greater overall satisfaction with their sleep.
- The gap in hypertension rates persisted among nappers and non-nappers with similar diets, jobs, and exercise habits.
- Short afternoon naps have been shown to improve alertness and mood for several hours after a person wakes.
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