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.

Some did their exercises at times to match their body clock chronotype - the natural predisposition to morning or evening alertness - while others did the opposite.

From BBC • Apr. 14, 2026

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

From Science Daily • Feb. 7, 2026

They do so by irritating the linings of the nose and lungs, triggering a reflex that increases breathing rate and blood flow, fostering alertness.

From Los Angeles Times • Jan. 12, 2026

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

From The Wall Street Journal • Dec. 26, 2025

Still, I sensed an alertness in her skin, in her muscles.

From "Middlesex: A Novel" by Jeffrey Eugenides