INSOMNIA Synonyms: 7 Similar and Opposite Words

insomnia

noun

in-ˈsäm-nē-ə

Definition of insomnia

as in restlessness

the inability to obtain adequate sleep has suffered from insomnia virtually his entire life

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Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.

Recent Examples of insomnia Hyperarousal of the brain can contribute to insomnia, LaValle added. — Angelica Stabile, FOXNews.com, 27 Oct. 2026 Bananas also have magnesium and potassium, both of which can promote better sleep and fight insomnia. — Vanessa Caceres, Verywell Health, 26 Oct. 2026 People often reach for supplements when shift work, frequent travel or insomnia throws off their sleep patterns. — Samantha Agate, Charlotte Observer, 25 Oct. 2026 Can pistachios fix insomnia or other sleep problems in the household? — Samantha Agate, Kansas City Star, 25 Oct. 2026 See All Example Sentences for insomnia

Recent Examples of Synonyms for insomnia

Noun

Dylan had often sung of independence and created with a concomitant restlessness.

— Grayson Haver Currin, Pitchfork, 7 Nov. 2026
In studies, withdrawal from kratom has appeared mild on a scale that measures clinical opioid withdrawal, with symptoms like anxiety, fatigue, gastrointestinal issues, and restlessness.

— Theresa Gaffney, STAT, 6 Nov. 2026

Definition of restlessness

Noun

Identified through foundational neuroscience research, the Sleep Onset Pattern is a distinctive brainwave signature that marks the brain's natural transition from wakefulness toward sleep.

— New Atlas, New Atlas, 3 Nov. 2026
The science behind sleep paralysis Sharpless says that a brain stuck between dreams and wakefulness produces this phenomenon.

— RJ Mackenzie, Popular Science, 29 Oct. 2026

Definition of wakefulness

Noun

If a woman’s brain fog is recorded as early signs of dementia, her anxiety as psychiatric condition, or her sleeplessness as an isolated complaint, the symptom or misdiagnosis may enter the medical record, but its connection to menopause disappears.

— Yulin Hswen, STAT, 27 Aug. 2026
Symptoms Symptoms can include sleeplessness, extreme worry about the baby or childbirth, restlessness and a racing heartbeat.

— Jen Christensen, CNN Money, 13 Aug. 2026

Definition of sleeplessness

Noun

In one effort to better understand what's going on, scientists are learning how specialized cells in our eyes turn the blue wavelength part of the light spectrum into neural signals affecting mood and alertness.

— ABC News, ABC News, 4 Nov. 2026
Caffeine pouches have a variety of nicknames Caffeine is a stimulant that increases alertness, energy and brain activity.

— Cheyanne Mumphrey, Los Angeles Times, 3 Nov. 2026

Definition of alertness

Browse Nearby Words

insolvents

insomnia

insomniac

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“Insomnia.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/insomnia. Accessed 12 Nov. 2026.

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Synonyms of insomnia

noun

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