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Is it dangerous to wake a sleepwalker?

There are a few myths to bust when it comes to sleepwalking. It's a strange state that conjures up images of people walking like zombies. You are always told not to wake a sleepwalker – you want to keep them safe, but should you wake them?

Broadcaster and psychology lecturer, Claudia Hammond, sorts myth from reality.

Script & narration: Claudia Hammond

Animation: Daire Collins