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.

Flies that consumed caffeine during the day did not show the same pattern, indicating that the timing of caffeine intake plays a key role.

From Science Daily • Mar. 31, 2026

The findings may have broader implications for people who rely on caffeine at night, including shift workers, health care professionals, and military personnel.

From Science Daily • Mar. 31, 2026

Both brands’ 12-ounce cans carry the same 200 milligrams of caffeine, too.

From The Wall Street Journal • Mar. 25, 2026

Kirkland Signature energy drinks mimic Celsius’s look, flavors, and 200 milligrams of caffeine, causing Celsius shares to fall.

From The Wall Street Journal • Mar. 25, 2026

She needed some caffeine in her system before she called home to tell her parents she’d arrived.

From "When Dimple Met Rishi" by Sandhya Menon