Why Do Screens Make Us Tired?

Simple explanation: Screens give off a type of light called blue light. This light is like the sunlight we see during the day, and it can make our eyes work harder to see clearly. When our eyes are working too hard for too long, they get tired, and that’s why we feel sleepy after looking at screens.

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Examples

A child playing a video game for hours feels tired and sleepy after.
Someone reads emails on their laptop all afternoon and struggles to sleep that night.
A teenager stares at their phone while lying in bed, only to fall asleep mid-scroll.

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Categories: Technology · eye health· digital fatigue· screen time· technology effects