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.

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

And more serious concerns such as a stroke need to be ruled out when dizziness or vertigo is accompanied by severe imbalance, double vision, slurred speech, weakness, numbness, trouble walking or decreased alertness.

From The Wall Street Journal • Apr. 15, 2026

Some did their exercises at times to match their body clock chronotype - the natural predisposition to morning or evening alertness - while others did the opposite.

From BBC • Apr. 14, 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

For the first time he began to understand Captain Prince—the set of his jaw and the bite of his words when a voyage began—the eternal alertness that never relaxed.

From "Carry On, Mr. Bowditch" by Jean Lee Latham