Comedian and ZM breakfast host Hayley Sproull is embarking on her most risqué project yet.

The new 10-part podcast Sex.Life aims to educate listeners about sex and sexuality as co-host Morgan Penn embarks on a journey through a secret sex school in rural New Zealand.

Hayley Sproull says the podcast was Morgan Penn's idea and she only went in knowing that she was in for a shocking experience.

"When she came up with the idea, she was like- I won't tell you anything more; so that I can hear it in the moment. Which is why often in this podcast, you'll hear me screaming, laughing, shouting, swearing..."

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