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
Tyrosine is frequently marketed as a supplement that may help support concentration, mental performance, and alertness, particularly during stressful situations.
From Science Daily ● Jun. 15, 2026
Less obviously, though, he had watched her too, with a certain impersonal alertness; she might have been an experiment in progress.
From "Typical American" by Gish Jen
