unsleeping

/ʌnˈslipɪŋ/
adjective
  1. Not sleeping; awake and watchful, often for a long period.
    • After three unsleeping nights, she finally finished her project.
    • The unsleeping guard kept watch over the castle gates all night.
    • The unsleeping city never seemed to rest, with lights and noise at all hours.
  2. Figuratively, never stopping or ceasing; constant and vigilant.
    • Her unsleeping curiosity drove her to explore every corner of the library.
    • The unsleeping tide of the ocean erodes the cliffs year after year.
    • The unsleeping efforts of the rescue team saved many lives after the earthquake.
Antonyms
What does "unsleeping" mean? | whatsthatwordmean | whatsthatwordmean