THE silliest internet survey of the week reveals that almost a quarter of online shoppers do so in their underwear.

And the study by online sales site Intersaver.co.uk found five per cent of e-shoppers buy online totally naked.

But pyjamas are the outfit of choice when going on a tour of the virtual shopping mall for more net users in the north than the south.

The company says the findings are a result of the 24-hour virtual shopping culture, which means many people buy online late at night.