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.
Although greater activity in the locus coeruleus generally promotes alertness, excessive stimulation can have the opposite effect.
From Science Daily ● Oct. 17, 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
For the first time he began to understand Captain Prince—the set of his jaw and the bite of his words when a voyage began—the eternal alertness that never relaxed.
From "Carry On, Mr. Bowditch" by Jean Lee Latham
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