From Longman Dictionary of Contemporary Englisha sleepless nighta sleepless nighta night when you are unable to sleep Adrian spent a sleepless night wondering what to do. → sleepless
Examples from the Corpus
a sleepless night• He lives with them every day, and sweats them out on many a sleepless night.• She had plenty of time to think it over during a sleepless night, and on the train in the morning.• His eyes were red-rimmed, their gilded brightness dulled from a sleepless night, and perhaps also from weeping.• The four travellers passed a sleepless night, each thinking of the gift Oz had promised to bestow on him.• She couldn't even feel resentful that he slept so peacefully after she had suffered a sleepless night of angst.• After a sleepless night Stavrogin sets forth.• He'd had a sleepless night thinking over how badly things had gone.• His social conscience, dulled by a sleepless night, was now barely alive. 