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

The findings, published in Neuropsychopharmacology, reveal how caffeine acts on a well-defined brain pathway involved in social memory, the ability to recognize and distinguish people we have encountered before.

From Science Daily • May 30, 2026

They were laying off sugar or carbs or caffeine or meat or dairy, but maybe a little butter was fine now and then.

From "We Are Okay" by Nina LaCour