New data reveals more than half of working Australians are showing up to work exhausted.

The HIF research also found that nearly three in 10 workers have called in sick due to fatigue.

The survey highlights the impact of poor sleep on productivity, with almost 90% of those tired at work reporting a decline in their performance.

In addition, 15% of workers admitted to sneaking in naps during work hours.

HIF CEO Justin James joined Oly Peterson on Perth Live.

Click play for the full conversation below: