Why Do People Get 'Brain Fog' When They're Tired?

Imagine your brain is like a computer. When you're tired, it's like the computer is running low on battery. It can't process information as fast, that’s why everything feels slower and harder to think about. Brain fog happens when your brain is working hard but doesn’t have enough energy.

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Examples

A kid comes home from school and can’t remember what they learned that day.
An adult forgets where they put their keys after a long workday.
You read something twice but still don’t get it.

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Categories: Health · brain fog· sleep· cognitive function· fatigue· mental health