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.
Tyrosine is widely sold as a dietary supplement and is often promoted for improving focus, alertness, and mental performance.
From Science Daily ● Sep. 6, 2026
The point of the film was to illustrate that troops who don't directly fire weapons are still "under tremendous stress, high alertness and subject to exhaustion".
From BBC ● Aug. 18, 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
Energy and alertness may save the life of your son, your husband, or your brother.
From "Moon Over Manifest" by Clare Vanderpool
