as in insomnia
the inability to obtain adequate sleep
the prolonged bouts of sleeplessness were starting to affect his work
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Recent Examples of sleeplessness
My tolerance to alcohol was shrinking while my anxiety and sleeplessness were growing.
—
Donna Francis, Allure, 25 Aug. 2025
Teething begets teeth, sleeplessness begets sleep.
—Ellyn Gaydos
august 11, Literary Hub, 11 Aug. 2025
Donna Francis, Allure, 25 Aug. 2025
Teething begets teeth, sleeplessness begets sleep.
—Ellyn Gaydos
august 11, Literary Hub, 11 Aug. 2025
Recent Examples of Synonyms for sleeplessness
Noun
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For a more comprehensive mind-body tune-up, guests can opt for a multi-day Paths to Wellbeing program, which targets specific ailments, such as insomnia.—
Siobhan Reid,
Travel + Leisure,
4 Oct. 2025
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Sleep loss and insomnia can also increase inflammation, which increases the risk for developing chronic conditions like heart disease and diabetes.—
Jocelyn Solis-Moreira,
Flow Space,
30 Sep. 2025
Noun
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People with attention-deficit hyperactivity disorder (ADHD) and autism may share symptoms like fidgeting and restlessness.—
Laura Dorwart,
Health,
29 Sep. 2025
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Much of protagonist Bishnu’s restlessness mirrors Rai’s own experiences.—
Naman Ramachandran,
Variety,
21 Sep. 2025
Cite this Entry
“Sleeplessness.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sleeplessness. Accessed 8 Oct. 2025.
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