census data

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Are We Getting More Zzzs? Experts Have to Sleep on It

Surveys differ on whether Americans get enough sleep

(Newser) - Americans slept more in 2005 than in 2000, according to a new study that counters claims of widespread sleep-deprivation. Yanks averaged 59 weekly hours of sleep in 2005, up from 56 hours in 2000, say University of Maryland researchers using Census data that account for every minute of the day....

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