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.

Even relatively small amounts of caffeine can have noticeable effects.

From Science Daily • May 13, 2026

One possibility is that the body processes caffeine differently at higher doses.

From Science Daily • May 13, 2026

Researchers say there are several reasons why very high caffeine intake may stop being beneficial.

From Science Daily • May 13, 2026

Researchers also caution that measuring caffeine intake by "cups" is not exact.

From Science Daily • May 13, 2026

It’s 5:48 in the morning, I’m thinking of making an outfit for my clock radio, and I’m so full of caffeine that my scalp itches.

From "Me Talk Pretty One Day" by David Sedaris