as in restlessness
the inability to obtain adequate sleep
has suffered from insomnia virtually his entire life
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Recent Examples of insomnia
The extreme heat can also affect people who are physically ill, especially those with heart disease or high blood pressure, or who take certain medications, such as for depression, insomnia, or poor circulation.
—
Justin Muszynski,
Hartford Courant,
29 June 2026
Issues could include insomnia, aggression, difficulty concentrating, sensitivity to psychotropic medication and exacerbation of existing mental illness -- like anxiety, depression and schizophrenia.
—
Mark Prussin,
CBS News,
29 June 2026
Today, the 20-minute rule remains one of the foundational pillars of Cognitive Behavioral Therapy for Insomnia (CBT-I) — a treatment that Walker notes the American Academy of Sleep Medicine endorses as the first-line approach for chronic insomnia, ahead of pharmaceutical interventions.
—
Sharon Brandwein,
USA Today,
27 June 2026
Having insomnia, which includes difficulties falling asleep, staying asleep or waking too early, can lead to daytime dysfunction.
—
Sally Ibrahim,
The Conversation,
23 June 2026
See All Example Sentences for insomnia
Justin Muszynski,
Hartford Courant,
29 June 2026
Issues could include insomnia, aggression, difficulty concentrating, sensitivity to psychotropic medication and exacerbation of existing mental illness -- like anxiety, depression and schizophrenia.
—
Mark Prussin,
CBS News,
29 June 2026
Today, the 20-minute rule remains one of the foundational pillars of Cognitive Behavioral Therapy for Insomnia (CBT-I) — a treatment that Walker notes the American Academy of Sleep Medicine endorses as the first-line approach for chronic insomnia, ahead of pharmaceutical interventions.
—
Sharon Brandwein,
USA Today,
27 June 2026
Having insomnia, which includes difficulties falling asleep, staying asleep or waking too early, can lead to daytime dysfunction.
—
Sally Ibrahim,
The Conversation,
23 June 2026
See All Example Sentences for insomnia
Recent Examples of Synonyms for insomnia
Noun
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Generalized anxiety may manifest itself in depression, compulsion or restlessness.
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But Field, whose perpetual restlessness had driven his climb to business success, wasn’t suited to sit on the sidelines.
Noun
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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.
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Night after night of lying there frustrated, anxious, wide awake, calculating how few hours remain, and the bed slowly becomes a cue for wakefulness and worry instead of sleep.
Noun
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Walker goes on to explain that the 20-minute rule is designed to break the association of sleeplessness and frustration with your bed.
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This sleeplessness has reportedly persisted in jail.
Noun
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In some cases, people who were previously deficient in certain B vitamins may notice a sudden increase in energy or alertness once supplementation begins.
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The screens influenced more than her alertness.
Cite this Entry
“Insomnia.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/insomnia. Accessed 5 Jul. 2026.
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