She was worn out from overwork.
He worked day and night and overworked himself.
He's suffering from the effects of overwork.
He is tired from overwork.
His overwork brought on an illness.
My father fell ill because he worked too hard.
He has been exhausted from overwork.
He got sick from overwork.
The judge was exhausted from the nervous strain.
What with overwork and poor meals, she fell ill.
What with overwork and lack of nourishment, he became very ill.
What with fatigue and lack of sleep, he has fallen ill at last.
What with overwork and lack of sleep, she has lost her health.
What with overwork and lack of nourishment, he became very ill.
Fatigue is the natural result of overwork.
His health has broken down because of overwork.
Her eyes have sunk through overwork.
The strain has begun to tell on his health.
The clerk died from overwork.