as in wakeful
not sleeping or able to sleep
lay sleepless with worry
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Recent Examples of sleepless
American Cory McKane, stranded in Dubai, managed to catch a flight out of the region Wednesday after a long, sleepless and expensive journey to Muscat, Oman.
—
Hallie Golden, Los Angeles Times, 6 Mar. 2026
Not including sleepless nights.
—Chierstin Roth, CBS News, 17 Feb. 2026
Left unchecked, those feelings can worsen into sleepless nights, a loss of appetite, inability to focus, impaired relationships, depression and even physical illness.
—Hunter Boyce, AJC.com, 27 Jan. 2026
Continue reading … SOUND OF MADNESS – Mystery hum rattles American city as residents report sleepless nights and rising fear.
—FOXNews.com, 23 Jan. 2026
See All Example Sentences for sleepless
Hallie Golden, Los Angeles Times, 6 Mar. 2026
Not including sleepless nights.
—Chierstin Roth, CBS News, 17 Feb. 2026
Left unchecked, those feelings can worsen into sleepless nights, a loss of appetite, inability to focus, impaired relationships, depression and even physical illness.
—Hunter Boyce, AJC.com, 27 Jan. 2026
Continue reading … SOUND OF MADNESS – Mystery hum rattles American city as residents report sleepless nights and rising fear.
—FOXNews.com, 23 Jan. 2026
See All Example Sentences for sleepless
Recent Examples of Synonyms for sleepless
Adjective
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Tips to Break the Bedtime Screen Habit Dr. Verma, who was not involved in the research, offers the following tips to prevent wakeful effects from smartphones and get better sleep: Avoid screens 30 to 60 minutes before bedtime.—
Emily Kay Votruba,
EverydayHealth.com,
31 Mar. 2025
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Lauren Goode: Who among us doesn't want to have a nap gently guided by our wakeful rhythm?—
Lauren Goode,
WIRED,
16 Jan. 2025
Adjective
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Unlike formulas that are more focused on dramatic volume or length, curling mascaras lift, fan, and define each lash like a lash curler would, so your eyes look wide awake even before your first coffee.—
Lily Wohlner,
Allure,
28 Mar. 2026
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Beyond the surface storage, what truly keeps subsurface asset managers awake at night is the reservoir skin effect.—
Siddharth Misra,
Fortune,
28 Mar. 2026
Cite this Entry
“Sleepless.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sleepless. Accessed 2 Apr. 2026.
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