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Late-Night Screen Time and Sleep: What Your Phone Does to Melatonin and Circadian Rhythm blue light sleep disruption

Late-Night Screen Time and Sleep: What Your Phone Does to Melatonin and Circadian Rhythm

July 22, 2025

You finally climb into bed after a long day, check your phone for five minutes, and suddenly much more time has passed. The problem is not that 1…

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