The former X Factor judge explained that the couple prefer to have sex before their favourite TV shows are on.
"We have sex at a particular time," she told The Sun. "Ozzy loves David Letterman. We lie in bed and watch it and he says, 'Oh, we've got time before Letterman's monologue'."
Ozzy Osbourne's Black Sabbath recently cancelled their entire European tour due to guitarist Tony Iommi undergoing treatment for lymphoma.
However, the band will still headline this year's Download Festival on June 10.
Sharon Osbourne recently denied that she asked for Leah Remini to be fired from The Talk.
> Sharon Osbourne sued for backing out on jewellery design deal