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

Rather than acting only through absorption into the bloodstream, flavanols appear to function as a moderate stressor that stimulates the central nervous system, leading to heightened attention, alertness, and memory.

From Science Daily • Feb. 7, 2026

Each morning, participants completed cognitive tests and questionnaires designed to assess sleep quality, alertness, and other health-related effects.

From Science Daily • Feb. 4, 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

She was all alertness; her ears swiveled, searching for sounds, and her nose twitched as it picked up fresh scents on every current of air.

From "The Unseen Guest" by Maryrose Wood