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Definitions

sleepless

[sleep-lis] / ˈslip lɪs /


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

She believes their problems conceiving naturally were caused, or at least exacerbated, by the war: "all the stress and sleepless nights," Katerina says.

From BBC • Feb. 16, 2026

They simply show that a disciplined, diversified approach offers something rare in investing: higher odds of success with fewer sleepless nights.

From MarketWatch • Feb. 5, 2026

But it is the opposite scenario—losing the AI race—that is giving them more sleepless nights these days.

From The Wall Street Journal • Jan. 16, 2026

"It was a sleepless night to defuse more bombs in the region... the communication is still underway to consolidate the gained trust and the current good spirit."

From Barron's • Jan. 15, 2026

I’m in an endless blur of exhausted days and sleepless nights.

From "The Running Dream" by Wendelin Van Draanen