梦幻西游科举答题器-The top 5 worries — and 5 worst sleep habits — keeping Americans up at night

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Why Dr. Siegel treats stress and sleeplessness as one issue

Fox News contributor Dr. Marc Siegel breaks down the ‘cycle of worry’ as a poll finds Americans are sleeping less and stressing more.

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One in five polled Americans say they "rarely or never" wake up feeling well-rested — and a new survey has identified the factors keeping sleep at bay.