What effect does being overtired or upset have on alcohol's impact?

When a person is overtired or upset, their overall mental and physical state can significantly influence how alcohol affects them. Stress and fatigue can lower a person's ability to handle alcohol effectively, often impairing judgment, reaction times, and motor skills more than alcohol would on its own.

This amplification arises because emotional distress and lack of sleep can enhance feelings of intoxication and increase risk-taking behaviors. Under these circumstances, someone may find themselves drinking more than usual or becoming more impaired than they would typically be at a certain blood alcohol concentration. In this way, the combination of being overtired or upset with alcohol results in a heightened level of impairment, showcasing the seriousness of managing one's emotional and physical condition before consuming alcohol.