burn the candle at both ends
From Longman Dictionary of Contemporary Englishburn the candle at both endsburn the candle at both endsinformalWORK HARD to get very tired by doing things until very late at night and getting up early in the mornings → burnExamples from the Corpusburn the candle at both ends• Back in the twenties, the Millay sisters were known in New York society for burning the candle at both ends.