When the word "poor" is used to express pity, it does not change the meaning of the sentence. For example, in the sentence "Give this soup to that poor man!", the word "poor" does not serve to indicate which man is meant (and so the sentence expresses exactly the same command as...
The researchers found that the average sleep duration was six hours per night, and the average sleep efficiency was 82.7 percent (meaning that 82.7 percent of time spent in bed was spent in sleep). They found that the duration of sleep, as well as the severity of diagnosed obstructive sleep...