wear yourself to a shadow
wear (oneself) to a shadow
To make oneself exhausted and anxious through too much work. I wore myself to a shadow trying to accommodate all our relatives over Christmas. It was nice having them here, but I'm so glad they're gone! My brother is wearing himself to a shadow trying to run his own business.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
wear yourself to a shadowcompletely exhaust yourself through overwork.
Farlex Partner Idioms Dictionary © Farlex 2017