Hi jenalyn!
Don't get scared

its natural.
I could tell you about htis , but please, go check out robert bruce's web-site, and if you find the information and the forum there helpful, buy his book, you will gain such an understanding of this stuff its incredible.
again, you have to read roberts work on astral projection, and the study of this stuff - its breakthrough - I do not want to say more, because I don't want to sound like a nut on this board
check out out,
as for the sensation of something coming out of you, did these feel like high intensity vibrations? This is also a natural sensation of trance, when your mind is still awake but you're in trance,
k, again - check out his work.
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end your insomnia and enjoy wonderful sleep
without expensive drugs or greedy therapists