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.
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
This is a film packed with conversation yet light on longueurs, for the director and his cast invest the dense historical speech with an alertness befitting a besieged community.
From The Wall Street Journal ● Jul. 30, 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
In the short term, caffeine may temporarily increase blood pressure, heart rate, blood sugar and alertness.
From Science Daily ● Jul. 22, 2026
Altogether, it took alertness and patience to keep those restless little bodies still for four long hours at a stretch.
From "The Witch of Blackbird Pond" by Elizabeth George Speare
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