A morning cup of coffee is a daily ritual for many to shake off grogginess. But experts reveal this 'wake-up' effect is often just relief from caffeine withdrawal, not true stimulation.
Regular coffee drinkers who skip their brew experience caffeine withdrawal symptoms like fatigue and headaches. Downing a cup eases these, restoring that familiar sense of alertness.
Alertness Research
Scientists at the University of Bristol tested caffeine's impact on habitual coffee drinkers versus non-drinkers. Non-drinkers saw no alertness boost from caffeine, while coffee drinkers' alertness dropped after just one day without it.
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