Steve stradling , professor of transport psychology at napier university , edinburgh , said : " a key factor is that women get less fun out of risk - taking".

爱丁堡纳皮尔大学的运输心理学教授史蒂夫斯特拉德林说： “其中一个关键因素是女性不太热衷于冒险。

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Professor John Stradling, of the Oxford Centre for Sleep Medicine said these kind of sleep disorders were very rare.

BBC: Sleep violence 'common'

John Stradling, professor of respiratory medicine at the Oxford Centre for Respiratory Medicine, told BBC News Online said the Quebec findings fitted in with what he had suspected about sleep apnoea's links with psychological illness.

BBC: Sleep disorder linked to depression