There is no rest for the weary
(there's) no rest for the weary
One must continue to toil or work regardless of how exhausted one is. A logical variant of the original phrase "no peace for the wicked." Parents of young children know all too well what it's like to have only a few hours of sleep and still have to get up at the crack of dawn—no rest for the weary, as my granny always said. There won't be time for a break, because we'll need to get going on the next phase of the project as soon as this one is done. There's no rest for the weary!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
There is no rest for the weary.
Prov. Even people who are worn-out must continue to work. (Describes a situation in which a tired person has to do more work.) By the time I finished doing the laundry, it was so late I had to begin cooking supper for the family. There is no rest for the weary.
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.