Why Does Reading Make You Sleepy? | Eye Strain, Vision & Brain Science
Why does reading make you sleepy? Discover the hidden eye muscle workout and brain science behind reading fatigue in this fun STEM homeschool lesson.
Reading looks quiet and relaxing, but inside your head, your tiny eye muscles are running an Olympic sprint! To keep words sharp, the focusing muscles inside both eyes must stay constantly flexed while turning inward together in a team move called convergence. At the exact same time, your eyes perform hundreds of lightning-fast hops across the page called saccades, snapping pictures of every word for your brain to decode.
When your eye muscles…
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