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

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

Because growth hormone works through brain systems that control alertness, it may also influence how clearly you think and how focused you feel.

From Science Daily • Mar. 30, 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

Jane’s alertness in moving, proved her as ready as her aunt had preconceived.

From "Emma" by Jane Austen