sleepless

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English[edit]

Etymology[edit]

From Middle English slepeles, from Old English slǣplēas; equivalent to sleep +‎ -less.

Adjective[edit]

sleepless (comparative more sleepless, superlative most sleepless)

  1. Characterized by an absence of sleep.
    I spent a sleepless night worrying about the exams.

Derived terms[edit]

Translations[edit]