Why do your eyes sting when you’re tired?

A young woman rubs her tired eyes while working at her desk at night.

Sometimes it can feel like we’re tired all the time, whether you’re coming home from a long day’s work or you’ve been finding it difficult to get to sleep, leading you to wake up unrefreshed. If you’re familiar with feeling tired a lot, you might have noticed that your eyes seem to sting more often, […]