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.

They said that caffeine could affect the results, and gel interferes with the electrodes.

From The Wall Street Journal • Jun. 27, 2026

Many contain large amounts of caffeine, which stimulates the central nervous system and makes you feel more awake.

From BBC • Jun. 22, 2026

Nur House Cafe — If you’re in need of a caffeine break and something sweet, make time for Nur House Cafe.

From Salon • Jun. 11, 2026

"We found that caffeine can reverse these disruptions at both the molecular and behavioral levels. Its ability to do so suggests that caffeine's benefits may extend beyond simply helping us stay awake."

From Science Daily • May 30, 2026

That was another one of the categories we’d determined: people who drank plain coffee and people who drank gussied-up caffeine drinks like the mint-chip lattes Kim was so fond of.

From "If I Stay" by Gayle Forman