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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.

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The FDA approved the first medication to treat narcolepsy by targeting a brain chemical that regulates wakefulness.

From The Wall Street Journal ● Aug. 7, 2026

The Food and Drug Administration on Wednesday approved Takeda Pharmaceutical’s 4502 2.96%increase; up pointing triangle Orzeyful, the first medication to treat narcolepsy by targeting a brain chemical that regulates wakefulness.

From The Wall Street Journal ● Aug. 6, 2026

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

From Science Daily ● May 30, 2026

The researchers also uncovered a feedback loop that links growth hormone to wakefulness.

From Science Daily ● Mar. 30, 2026

Images of the scythes she saw at conclave filled even the hint of dreams, jarring her back to unwanted wakefulness.

From "Scythe" by Neal Shusterman




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