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.

Research reviews show caffeine from coffee, cola, energy drinks, and chocolate can raise systolic blood pressure by 3-15 and diastolic blood pressure by 4-13 after consumption.

From Science Daily • May 18, 2026

Instead, experts recommend paying attention to overall health, caffeine intake, and blood pressure levels.

From Science Daily • May 18, 2026

However, the benefits appear to level off after a certain point, meaning more caffeine is not necessarily better for the brain.

From Science Daily • May 13, 2026

Once stimulation becomes too high, whether from stress, anxiety, or too much caffeine, performance begins to decline.

From Science Daily • May 13, 2026

Lacey says, “Is it that weird feeling you get from so much caffeine that, like, your heart isn’t beating so much as your whole body is beating?”

From "Paper Towns" by John Green