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

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

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

If not for the alertness in his ocean-blue eyes, he would resemble, more than anything, a scarecrow that had come down from its stake.

From "The Mysterious Benedict Society" by Trenton Lee Stewart