what is SP
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what is SP
It's an acronym for Sleep Paralysis, I believe Howie made an announcement for it here.
Basically it is this:
A complete temporary paralysis occurring in connection with sleep and especially upon waking.
A condition in which, upon waking, a person is aware of the surroundings but is unable to move.
Give the site a little search.
There are numerous threads on Sleep Paralysis and it's usefulness in attempting to lucid dream.