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.
Most people know it for boosting alertness, but scientists have also been interested in its possible connection to a lower risk of some age-related diseases.
From Science Daily ● Sep. 9, 2026
The next day participants rated their mood, fatigue levels and alertness, before tests checking their focus and reaction times.
From BBC ● Sep. 3, 2026
In a small study on people with insomnia, when they were given a false negative sleep score, those individuals reported sleepiness and fatigue, as well as lower levels of alertness and clear thinking.
From Slate ● Aug. 11, 2026
“She is eating on her own, her energy and alertness have noticeably improved, and she has become much more feisty during feedings.”
From Los Angeles Times ● Jul. 28, 2026
He would need the touch of a surgeon, the alertness of an owl, the cunning of three foxes, and the foresight of a grand master in chess.
From "Maniac Magee" by Jerry Spinelli
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