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a long time ago i had a very strange and scary experience.  i was attempting an obe and im not sure if i fell asleep and dremt it or if it really happened.  so heres what happened.  my astral body sat up, and i felt this strong presence of evil or just something that wanted to harm me. i was so scared that i didnt even open my eyes..i couldnt see anything i just felt a tingling in my neck. then i felt intense pain around my neck and i could feel hands strangeling me and banging my head against my headboard.  i could hear a roar of sound but could not understand what was being said. finally my real eyes opened and i was awake. i cannot figure out if i was dreaming or if it was for real...it felt really real.  i have only one other experience and that time i know i sat up...but was too scared and went back into my body, i also felt an evil presense that time and the two experiences  were about 6 years appart....im not sure what to make  of it!   oh and by the way the two OBE experiences were in different houses...neither of which i know of to be haunted...if that even makes a difference.  i really want to try again but i guess i need some encouragement and an explanation if anyone can give me one.....

i guess my question is :

can you get attacked like that when your astral projecting?

and if it is possible what can i do to protect myself? 

or was it just a silly dream and, i should just try again?