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Showing results for wakefulness. Search instead for wake+fulness.

wakefulness

NOUN
watchfulness
Synonyms
Antonyms


NOUN
sleeplessness
Synonyms
Antonyms


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.

Adenosine accumulates during periods of wakefulness and helps reduce brain activity, contributing to feelings of sleepiness.

From Science Daily • May 30, 2026

This brain region also receives signals involved in regulating sleep and wakefulness.

From Science Daily • May 30, 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

It was then that, as if responding to the name, the child opened its eyes wide in wakefulness.

From "The Graveyard Book" by Neil Gaiman




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