work yourself/somebody to death

work (one or oneself) to death

To make someone or oneself work too hard or for excessively long hours. I have worked myself to death renovating this house, and I'm glad to say that it has all been worth it. You're working the entire department to death. You need to give them a break or they'll burn out before we get the project off the ground.
See also: death, work
Farlex Dictionary of Idioms.

ˌwork yourself/somebody to ˈdeath

(informal) work, or make somebody work, very hard: That company is working him to death. She works herself to death and nobody ever thanks her for anything.
See also: death, somebody, work
Farlex Partner Idioms Dictionary
See also:
  • for (one's) (own) sake
  • for sake
  • put (oneself) on the line
  • put yourself on the line
  • keep (someone or something) in sight
  • keep in sight
  • keep sight of
  • keep sight of (someone or something)
  • keep sight of somebody/something
  • leave oneself wide open for