Puffy eyes, exhaustion and an urge to crawl under a blanket are totally normal responses to an ugly crying sesh. Here’s why.
explains that those tears have an evolutionary function too: “Science shows that humans and animals give off subtle messages to other members of the species through compounds in our tears, sending chemical messages to those close by. This can bring about an emotional response in them; empathy, for example, and the instinct to comfort. Or it can even signal them to stay away.
Interestingly, Rhodes explains that what’s going on in our brains depends on why we are crying in the first place: “The hormones released by our brain depend on what emotion we’re going through: sadness, grief, joy, rage and so on all elicit a different hormonal response, which has a different effect on our brain.
This lack of oxygen leaves us feeling sleepy, and the tiredness is compounded by the release of hormones in our tears.
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