Studies have shown that over time, most humans need eight to eight and a half hours of sleep for the best health.
VOA: special.2009.08.26
By their count, the number fell from more than a half-million in nineteen eighty to about three hundred forty-three thousand in two thousand eight.
VOA: special.2010.04.14
Only eight and one half percent of Finns said that was true.
VOA: special.2009.11.17
Toyota has been inundated with lawsuits due to safety concerns that have led to the recall of more than eight-and-a-half million vehicles worldwide.
VOA: standard.2010.03.26
This year's report focuses on how well countries are doing in reaching eight-stated Millennium Development Goals, including cutting poverty by half and reducing child and maternal mortality.
VOA: standard.2009.05.21
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