ELI5 Sleepwalking - is it dangerous to wake someone in the middle of a sleep walk?

ELI5 Explain Like I'm 5: Bite sized answers to stuff you should know about - in a mini podcast

How does sleepwalking work exactly? Are certain people more prone to it? What types of activities can sleepwalkers get up to? Are there specific triggers that cause sleepwalking? Is it true that waking a sleepwalker can be dangerous?

... we explain like I'm five

Thank you to the r/explainlikeimfive community and in particular the following users whose questions and comments formed the basis of this discussion: lindsey1151, xsnr, happycapsule, bandito21dema and reshkayden

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