Weird things that people get up to in their sleep

Empty food wrappers and a messy kitchen will tell some sleepwalkers that they have been up during the night and gone searching for snacks, though they have no recollection of this when they wake. “Often sleepwalkers will do things that make some kind of sense,” said Dr Anderson. “They might eat when they have gone to bed hungry or are dieting during the day.”

Mr Loughran is a UK-based correspondent. gerryo69@hotmail.com