The Great Plains states led the nation in healthy sleep, buoyed by South Dakota, where 72 percent of those surveyed said they averaged at least 7 hours nightly. The South and Appalachian states got the least sleep as a region. But Hawaii was the worst individual state, where 56 percent of respondents got the recommended amount of sleep. The report also found that while two-thirds of white people nationally got enough sleep, only about half of blacks, Native Hawaiians and Pacific Islanders did.
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