A senior Woolworths executive had a suspected stroke, went temporarily blind and was hospitalised five times after regularly clocking more than 100 hours a week on the job, according to documents filed with the Federal Court.

Woolworths chief growth officer Miwah Van is suing the supermarket giant for discrimination and adverse action under the Fair Work Act, claiming she was bullied after developing breast cancer that the supermarket chain's then-chief executive, Brad Banducci, said made other executives feel "awkward".

Mr Banducci allegedly told Ms Van her complaints about other executives were "crazy" and did not "reflect well" on her.

Ms Van also alleges that Woolworths broke its spending rules by splashing $13.5 million on a contractor who approved his own invoices, in breach of co

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