Regarding the body's paralysis when you sleep?

I have been thinking about sleep paralysis and sleepwalking. I know that once a person falls into REM sleep, the body naturally becomes paralysed to prevent it from acting out dreams, and that when this paralysis doesn't happen, sleepwalking cam sometimes happen. I also know (from personal experience) that you can also partially awaken and find yourself still paralysed for a short time.

This just got me thinking about the level of paralysis that occurs... because obviously people move around in their sleep all the time. Is this the paralysis failing slightly? Because whenever I experience sleep paralysis, I can't move a single part of my body, except my eyes.

So I'm just wondering how this 'tossing and turning in your sleep' relates to the body's natural paralysis.

The "tossing and turning" does not relate to the body's paralysis. As you said, paralysis occurs during REM sleep. During Non-REM sleep (Stages 1-4), the body is not paralyzed, hence the tossing and turning.

hmm i have narcolepsy

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