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.

By showing that caffeine can restore specific neural pathways affected by sleep deprivation, the study provides new insight into potential targeted approaches for addressing cognitive decline.

From Science Daily • May 30, 2026

Afterward, caffeine was provided in drinking water for unrestricted consumption over a seven-day period.

From Science Daily • May 30, 2026

The drink's bright emerald colour has attracted the TikTok generation, and the milder caffeine hit from its green tea powder is suited to health-conscious drinkers who want good sleep.

From BBC • May 28, 2026

At the other end, robusta beans, known for their high levels of caffeine, are mass harvested by machines.

From BBC • May 28, 2026

His senses tingled like he’d been injected with caffeine.

From "The Son of Neptune" by Rick Riordan