From the Journals
US Adolescent Sleep Loss Worsens Over 16 Years
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By
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March 9, 2026
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3 min
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78% of high school students reported insufficient sleep in
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Insufficient sleep increased from 70% in
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Sleep defined as 7 hours or less.
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Rise in very short sleep (5 hours or less) observed.
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Greater sleep deprivation noted among Black students.
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Mental health symptoms linked to higher insufficient sleep rates.
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Suggestion for later school start times to improve sleep duration.
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Limitations in research methodology noted.
