Definition of sleepless in English:



  • 1Characterized by or experiencing lack of sleep.

    ‘another sleepless night’
    ‘Lisa lay sleepless’
    • ‘Lights that have caused residents in Horwich to suffer sleepless nights for the past year are to be allowed to stay, a government inspector has ruled.’
    • ‘And on the occasions when a pill was mistakenly forgotten, were all the sleepless nights that followed nothing but a hollow joke?’
    • ‘I have until Friday at 12 to get it done, which means working all day today and tomorrow and possibly having a couple of sleepless nights.’
    • ‘Once back in the office they find themselves trapped in a cycle of long hours and sleepless nights.’
    • ‘The answer comes to us after much soul searching and many sleepless nights.’
    • ‘It is the stuff of anxious days and sleepless nights.’
    • ‘It's not going to be easy; it'll be a year of hard work and disillusionment, of sleepless nights and endless days.’
    • ‘Every night he went home alone and spent many sleepless hours lying on his bed, waiting for the day he could be with her.’
    • ‘You don't necessarily have to live with the sleepless nights of insomnia.’
    • ‘I've never had a sleepless night in my life and will easily sleep 12 hours.’
    • ‘The levels of adrenaline and endorphins remain high and can cause a feeling of restlessness and even a sleepless night.’
    • ‘He actually had some sleepless nights as he went on checking the alertness of the security personnel drafted for the exhibition.’
    • ‘They will blame the policemen's lack of diet consciousness, sleepless nights, and reckless food habits.’
    • ‘She's still experiencing sleepless nights and cries at the drop of a hat.’
    • ‘But the nights were still filled with sleepless hours - for all of us.’
    • ‘She spent an anxious and sleepless night made worse by twenty-four hours without food.’
    • ‘One lady blamed the library for her sleepless nights, claiming once she has borrowed a good book she stays up all night till she finishes it.’
    • ‘Manolo, the horseman, haggard after twelve hours in the saddle and a sleepless night, reached out to shake me fully awake.’
    • ‘Hours of stress, sleepless nights and the worry alone couldn't be good for anyone.’
    • ‘I've worked really long hours, missed lunch breaks, and had several sleepless nights.’
    wakeful, restless, disturbed, without sleep
    awake, wide awake, unsleeping, tossing and turning
    View synonyms
    1. 1.1literary Continually active or moving.
      ‘the sleepless river’
      • ‘The traffic of the great city went on in the deepening night upon the sleepless river.’