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
“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
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
Still, the alertness that had seized Desdemona’s body told Tessie that she was awake and listening.
From "Middlesex: A Novel" by Jeffrey Eugenides
