as in wakeful
not sleeping or able to sleep
lay sleepless with worry
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Example Sentences
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Recent Examples of sleepless
The days and weeks of fussy, sleepless nights as little ones struggle with teething pain are the downside.
—
Sarah Lindenfeld Hall, Popular Science, 11 Mar. 2026
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
See All Example Sentences for sleepless
Sarah Lindenfeld Hall, Popular Science, 11 Mar. 2026
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
See All Example Sentences for sleepless
Recent Examples of Synonyms for sleepless
Adjective
-
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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Right now, the astronauts are awake and having breakfast.—
Charlie Gile,
NBC news,
1 Apr. 2026
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The Project’s participants were instructed to fight one another and endure simulated drowning, among other humiliations and discomforts, while remaining awake for most of three days.—
Charles Bethea,
New Yorker,
30 Mar. 2026
Cite this Entry
“Sleepless.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/sleepless. Accessed 6 Apr. 2026.
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