Americans may be spending more time asleep, but new research shows that quality sleep remains out of reach for millions.

A ValuePenguin analysis released this month found that U.S. adults now average nine hours of sleep per day, up from eight hours and 28 minutes two decades ago.

That adds up to more than eight extra days of sleep each year. Older adults and women tend to rest the longest, with those 65 and older averaging nine hours and nine minutes daily. Nebraska residents sleep the most at nearly 10 hours a day, while North Dakotans sleep the least at just over eight hours.

But the National Sleep Foundation (NSF) warns that more time in bed doesn’t mean better rest. Its 2025 Sleep in America Poll found that six in 10 adults don’t get the recommended seven to nine hours of qual

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