ELI5: The Science Behind Crying Exhaustion and Emotional Hangovers

This common human experience often leaves people wondering about the physiological aftermath. The content would explain that intense crying (sobbing) triggers a cascade of bodily responses, including activation of the sympathetic nervous system (fight or flight), significant muscle contractions in the face, throat, and chest, and the release of stress hormones like cortisol, followed by calming hormones like oxytocin and endorphins. This emotional and physical exertion drains energy, leading to a state of fatigue, similar to a physical workout or intense emotional labor.