as in restlessness
the inability to obtain adequate sleep
has suffered from insomnia virtually his entire life
Synonyms & Similar Words
Relevance
Antonyms & Near Antonyms
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
One meta-analysis found that a vitamin D deficiency is a risk factor for insomnia.
—
Carrie Madormo, Verywell Health, 23 Apr. 2026
Who’s Most Likely to Notice a Difference Both 2025 reviews note limited or mixed results for people with a clinical insomnia diagnosis.
—Allison Palmer, Fort Worth Star-Telegram, 23 Apr. 2026
Both reviews flagged limited or mixed results for people with a clinical insomnia diagnosis.
—Allison Palmer, Charlotte Observer, 23 Apr. 2026
Several recent reviews have concluded that there is insufficient scientific evidence to support the therapeutic use of cannabis for most of the conditions for which it is consumed, such as insomnia and acute pain.
—William Garriott, The Conversation, 17 Apr. 2026
See All Example Sentences for insomnia
Carrie Madormo, Verywell Health, 23 Apr. 2026
Who’s Most Likely to Notice a Difference Both 2025 reviews note limited or mixed results for people with a clinical insomnia diagnosis.
—Allison Palmer, Fort Worth Star-Telegram, 23 Apr. 2026
Both reviews flagged limited or mixed results for people with a clinical insomnia diagnosis.
—Allison Palmer, Charlotte Observer, 23 Apr. 2026
Several recent reviews have concluded that there is insufficient scientific evidence to support the therapeutic use of cannabis for most of the conditions for which it is consumed, such as insomnia and acute pain.
—William Garriott, The Conversation, 17 Apr. 2026
See All Example Sentences for insomnia
Recent Examples of Synonyms for insomnia
Noun
-
Hours after the terrifying rampage, a similar fatal incident took place at Koodalminikyam Temple in Irinjalakuda when an elephant that had shown signs of restlessness during a ritual procession the night before broke out of its enclosure and attacked its handlers, per News Karnataka.—
Desiree Anello,
PEOPLE,
3 May 2026
-
My daughter’s restlessness in a new place the night before was taking its toll.—
Tribune News Service,
Baltimore Sun,
30 Apr. 2026
Noun
-
Everybody wants to sound like her, but no one else can quite replicate the particular sonic grammar of her writing, which unfurls like an intimate dispatch from the blurry edge of sleep and wakefulness.—
New York Times,
New York Times,
28 Apr. 2026
-
The company’s key asset is cleminorexton (formerly known as ORX750), which seeks to mimic a molecule in the brain, known as orexin, that helps regulate wakefulness.—
Jeff Marks,
CNBC,
31 Mar. 2026
Noun
-
This sleeplessness has reportedly persisted in jail.—
Diego Lasarte,
New Yorker,
21 Apr. 2026
-
His claims cited sleeplessness, soreness, anxiety and stress.—
ABC News,
ABC News,
21 Apr. 2026
Noun
-
Norepinephrine is tied closely to alertness and cognitive focus, which helps explain why participants in cold-exposure studies often report heightened mental clarity right after immersion.—
Samantha Agate,
Charlotte Observer,
30 Apr. 2026
-
More evidence is needed to determine if smelling lemon water can significantly increase energy and alertness.—
Carrie Madormo,
Verywell Health,
17 Apr. 2026
Cite this Entry
“Insomnia.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/insomnia. Accessed 10 May. 2026.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
