Spanish genius Pep Torres, 44, has used nanotechnology to infuse the sex drug’s arousing ingredient into the fibres of a bed sheet.

When people get into bed the viagra soaks into their skin and gets into the bloodstream – which could reek havoc if you were hoping for an early night.

Pep said: “It started as a joke after we saw a German study that said businessmen get little sex because they are too tired from work.

“But we got so many calls after launching it that we’re going into production.

“The people we got to test them said they felt their heads pumping, and so was another thing. And they couldn’t concentrate on anything except…well, you know.”

He unveiled the invention at the 9th British Invention Show at London’s Alexandra Palace last July.
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