Why do we wake up with a twitch in the middle of the night

By Corey Charlton for MailOnline
When you are in REM sleep, your muscles have become paralysed - but disruptions to this pattern mean you can 'twitch' when experiencing dreams

Experts have revealed the bizarre reason the human body 'twitches' during sleep - your slumber is being disrupted during a moment in which your muscles are supposed to be paralysed.
As we sleep, we pass through various stages, says Professor Gaby Badre, a sleep expert at The London Clinic.
A light slumber turns into a deep slumber and, usually after 45 to 60 minutes, rapid eye movement (REM) begins.

his is when you have dreams, and by this point your muscles have become paralysed (which is why you can't act out anything in the dreams, such as screaming aloud).

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