Does Being Tired Make Alcohol Stronger? The Surprising Scientific Reality
                                
                                
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                                    5 min read                                
                            
                                According to the Division of Sleep Medicine at Harvard, a single night of sleep deprivation can impair performance as much as a blood-alcohol level of 0.10 percent, illustrating how significantly fatigue affects cognitive function alone. This fact lays the groundwork for understanding why combining exhaustion with alcohol is a recipe for exaggerated impairment.