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The Pesky Toad

The Pescadero Perspective
community El Sudcaliforniano 2026-06-17

Put Down the Phone: UNAM Warns Nighttime Screen Use Disrupts Your Sleep Cycle

Mexico's National Autonomous University (UNAM) has warned that using mobile devices at night seriously harms sleep quality. The blue light emitted by screens inhibits melatonin, the essential hormone for initiating sleep, and throws off your biological clock. Your favorite local toad suggests swapping the late-night scrolling for a book!


La luz azul de los dispositivos electrónicos inhibe la producción de melatonina, hormona fundamental para iniciar el sueño

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