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 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
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
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
