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 People who develop racing heartbeats, tremors, anxiety, insomnia, reflux, headaches or reproducible palpitations after drinking coffee should not ignore those symptoms simply because population studies are reassuring. — Robert Glatter, Forbes.com, 21 July 2026 Symptoms can include delusions, hallucinations, extreme depression, insomnia, paranoia and rapid mood swings. — N'dea Yancey-Bragg, USA Today, 20 July 2026 If insomnia is chronic, that’s a conversation for a doctor, not a supplement aisle. — Lauren Jarvis-Gibson july 18, Fort Worth Star-Telegram, 18 July 2026 The number-one issue in my life, and to my mental and physical health is my lifetime of insomnia. — Marisa Meltzer, Vanity Fair, 17 July 2026 See All Example Sentences for insomnia

Recent Examples of Synonyms for insomnia

Noun

Standing on opposite sides of the protests, the pair fall for each other despite the divide, recognizing in one another a restlessness neither can quite name.

— Leo Barraclough, Variety, 23 July 2026
Very early in the morning, however, the moon will make a series of aspects — with Mars, Saturn and Mercury retrograde — that could potentially trigger everything from feelings of restlessness to emotional reactions due to mixed signals.

— Valerie Mesa, PEOPLE, 20 July 2026

Definition of restlessness

Noun

But in people with narcolepsy, such boundaries become blurred, allowing elements of sleep to intrude into wakefulness in varying ways.

— Daryl Austin, USA Today, 8 July 2026
The clinical data demonstrated significant improvements in wakefulness and reductions in excessive daytime sleepiness at week eight, outperforming the placebo with a generally favorable safety profile.

— Sasirekha Subramanian, Forbes.com, 29 June 2026

Definition of wakefulness

Noun

Because of their history of poor sleep, people with insomnia may suffer from anxiety about getting inadequate sleep, which can then increase sleeplessness at night.

— Lauren Jarvis-Gibson July 18, Fort Worth Star-Telegram, 18 July 2026
Other symptoms included headache, chills, weakness and sleeplessness.

— Ken Alltucker, USA Today, 17 July 2026

Definition of sleeplessness

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 31 Jul. 2026.

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Synonyms of insomnia

noun

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