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.

Millions of TVs - and kettles being boiled for a half-time caffeine boost - along with fridges being opened and closed as people get cold drinks and snacks would cause surges, said Neso.

From BBC • Jun. 6, 2026

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

The researchers also found that caffeine administered before sleep deprivation restored synaptic communication in the CA2 region and returned plasticity to normal levels.

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

Espresso, Dr. Gloss op said, has three times the caffeine of regular coffee.

From "Woe Is I" by Patricia T. O'Conner