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

Here, the very irregularity of the interior environment, including the concrete surfaces — richer and more textured than I expected — heightened my alertness.

From Los Angeles Times • Apr. 22, 2026

When this brain region becomes too active, it can actually trigger sleepiness instead, creating a delicate balance between sleep and alertness.

From Science Daily • Mar. 30, 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

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