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.

My brain remained active for a minute or so, with higher-frequency alpha waves associated with alertness staying strong.

From The Wall Street Journal • Jun. 27, 2026

One every two hours was better than no walking, but researchers found a five-minute stroll each hour led to the biggest and most feasible improvement in productivity, mood and alertness.

From BBC • Jun. 23, 2026

The research provides new insight into how sleep loss affects the brain and suggests that caffeine's benefits may extend beyond simply increasing alertness.

From Science Daily • May 30, 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

“Crispin, there’s an old soldier’s saying: ‘If you have to choose between alertness and worry, being alert will bring you more days of life.’

From "Crispin: The Cross of Lead" by Avi