Tag: How to stay awake

While often viewed as a relaxant, alcohol has a biphasic effect on the body, meaning it can initially act as a stimulant before its more potent depressant properties take over. This complex interaction means that no alcohol is truly free of sedative effects, but some choices are less likely to cause sleepiness than others.

The FDA recommends a daily caffeine intake limit of 400 mg for most healthy adults, an amount that is easily reached with some of Starbucks' most popular beverages. So, does Starbucks coffee make you awake? The answer is a resounding yes, but the intensity and duration of the effect depend on several factors beyond just the brew.