caffeine
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
One key factor is how long caffeine stays in the body.
From BBC ● Sep. 17, 2026
Dr Lindsay Browning, a psychologist and sleep expert, says the evidence suggests caffeine might not just stop you dozing off but can affect the quality of sleep as well.
From BBC ● Sep. 17, 2026
For many people, though, the effects of caffeine can linger for far longer.
From BBC ● Sep. 17, 2026
Experts warn that caffeine can disrupt kids’ sleep or, worse, increase their risk of high blood pressure or heart attacks.
From The Wall Street Journal ● Sep. 15, 2026
For some reason sugar and caffeine always calmed down my hyperactive brain.
From "The Sea of Monsters" by Rick Riordan
