I keep seeing it popping up, whether that be in memes or comments. I don’t think I have experienced this ever. Is this some sort of genetic thing? I tried searching it on Google, and the first result mentioned something like
> What causes falling sensation while sleeping is the natural disengagement of the astral body
– and I just stopped reading when it mentioned astral body. Is this just another thing we have no idea about or is there something to this?
In: Biology
This is likely referring to hypnic jerks. These are involuntary muscle spasms. They are often caused by excessive caffeine intake or anxiety, but can just as often be nothing more than a dream.
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