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.

Here, the very irregularity of the interior environment, including the concrete surfaces — richer and more textured than I expected — heightened my alertness.

From Los Angeles Times • Apr. 22, 2026

These chemicals play key roles in motivation, attention, alertness, and stress regulation.

From Science Daily • Feb. 7, 2026

Research suggests certain colors can enhance a sense of well-being or even increase alertness.

From The Wall Street Journal • Dec. 26, 2025

"This is done only as a precautionary measure, but it is appropriate that we are at a crescent sense of alertness just at the moment for the time being," he said.

From BBC • Dec. 15, 2025

They cool the brain by bringing air high into the nasal passage, which has the effect of increasing alertness.

From "When You Reach Me" by Rebecca Stead