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.

She kept jurors, lawyers and media on a strict schedule, with only two twenty-minute breaks per day and no lunch time to ensure maximum alertness.

From BBC • May 15, 2026

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

When this brain region becomes too active, it can actually trigger sleepiness instead, creating a delicate balance between sleep and alertness.

From Science Daily • Mar. 30, 2026

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

From The Wall Street Journal • Dec. 26, 2025

A subtle change came over Will, a kind of silent alertness.

From "East of Eden" by John Steinbeck