Later bedtimes harm mental health more than poor sleep quality, new studies of 75,000 adults show

Late nights, darker days: Why bedtime timing, not sleep quality, predicts mental health   – NaturalNews.com
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Late nights, darker days: Why bedtime timing, not sleep quality, predicts mental health – NaturalNews.com

Late bedtimes, not sleep quality or duration, are the primary driver of next-day mood reduction, with every two-hour delay in falling asleep linked to a 0.8-point drop in positive emotion. A new Stanford Medicine study of nearly 75,000 adults found t