wakefulness

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.

REM sleep involves intense dreaming and brain activity that resembles wakefulness, yet people often report that this stage still feels like deep sleep.

From Science Daily • Mar. 26, 2026

After showing signs of wakefulness, he was transferred to the Sid Watkins Rehabilitation Centre in Liverpool on 23 December that year.

From BBC • Mar. 1, 2026

After poor sleep, the brain tries to compensate during wakefulness, triggering pulses of fluid that coincide with sharp reductions in attention, according to a recent study published in Nature Neuroscience.

From The Wall Street Journal • Feb. 13, 2026

The more blue-white tones in the lighting, and the brighter it is, the more it helps support our circadian rhythms—the biological clocks inside our cells that drive our cycles of sleepiness and wakefulness.

From The Wall Street Journal • Nov. 25, 2025

I came home and spent another long night of wakefulness and the following day I went to sleep in the classroom.

From "Black Boy" by Richard Wright