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.
Caffeine can temporarily increase alertness and make fatigue feel less noticeable.
From Science Daily ● Sep. 22, 2026
Kudler says the isolation of being aboard a ship, with moments of prolonged boredom followed by "extreme alertness", can amplify mental-health struggles.
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
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
Still, I sensed an alertness in her skin, in her muscles.
From "Middlesex: A Novel" by Jeffrey Eugenides
