alertness

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.

She kept jurors, lawyers and media on a strict schedule, with only two twenty-minute breaks per day and no lunch time to ensure maximum alertness.

From BBC • May 15, 2026

Researchers considered it a promising option because it can promote alertness for extended periods without significantly disrupting later sleep.

From Science Daily • Apr. 1, 2026

These findings suggest that a single control system may coordinate both attention and basic bodily functions such as fluid flow, heart rate, and alertness.

From Science Daily • Jan. 20, 2026

They do so by irritating the linings of the nose and lungs, triggering a reflex that increases breathing rate and blood flow, fostering alertness.

From Los Angeles Times • Jan. 12, 2026

Still, the alertness that had seized Desdemona’s body told Tessie that she was awake and listening.

From "Middlesex: A Novel" by Jeffrey Eugenides