Event Brief
Study finds ¥1 trillion annual loss from sleep issues
Filed: Feb 17, 2026 at 12:06 AM ET
Summary: Japan faces a ¥1 trillion economic loss due to 'social jet lag' affecting productivity, a study reveals.
WHO: University of Tsukuba research group
WHAT: Study on economic loss from social jet lag
WHEN: Feb 16, 2026 at 11:08 PM ET
WHERE: Japan
WHY: Mismatch between sleep patterns on weekdays and holidays affects productivity
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