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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.

“It’s been very disabling at work, with friends, with family — a lot of sleepless nights.”

From Los Angeles Times • May 5, 2026

Italy's World Cup play-off semi-final with Northern Ireland has given Gennaro Gattuso sleepless nights.

From BBC • Mar. 26, 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, at the same time, they’re looking at enough of a payoff to risk a few sleepless nights.

From The Wall Street Journal • Jan. 16, 2026

A single red light burned high up in the Towers of the Teeth, but otherwise no sign could be seen or heard of the sleepless watch on the Morannon.

From "The Two Towers" by J. R. R. Tolkien




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