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sleepless

/ˈsliːplɛs/ adjective · British & US

Valid in UKValid in US

What does sleepless mean?

adjective

Lacking sleep; unable to sleep. Having no rest or relaxation.

Example

"The sleepless nights before the exam took a toll on her."

Reviewed by Deb Chak, Editor. AI-assisted content curated by RJS Tech Solutions LLP.

Words that share this root

sleep slumber repose rest

What's another word for sleepless?

wakeful wakeless insomniac restless tireless vigilant

What's the opposite of sleepless?

sleepy drowsy restful

Rhymes with sleepless

deepless helpless hopeless weightless