Director of the Sleep Assessment Advisory Service in London, Professor Chris Idzikowski, said sleepwalking is very difficult to treat.

BBC: Sleepwalking is 'in the genes'

The company has a superstar scientific advisory board, including MIT Institute Professor John Deutch and Harvard professor and nanotechnology pioneer George Whitesides.

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Even Nick Bourne, a Tory member, who sat on the National Assembly advisory group and is a law professor, says he does not fully understand the division of power between Westminster and Cardiff.

ECONOMIST: Wales