Hello Guys ... I'm glad i could find you

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I'm Alex ; I live in Romania ; I have 23 years old and i am a student ; Due to the nature of my work and unwillingly other activities that involve the computer i spend lot's of time in front of it . A year ago i started having problems with my back but nothing serious ... Two months ago i reched that state that often i couldn't stay in front of the computer more than 15 minutes without becoming dizzy and nauseaus after i stoped using it ... I thought i had cervical discopaty or something like that because i felt my neck and lower-back head heavy... I went to the doctor and i took a neck radiography and nothing showed up ...
In the same time i was doing this , when i sleept (that is for about three months ago), that is when i slept only on the back side(i do not recolect having experienced "SLEEP PARALYSIS" some other position) i had experienced exactly , shockingly-striking similar experiences as you did ... sensation of paralisys, sensation of vibration of muscles (like someone electrocuted me), sensation that i can't breathe (maybe it wasn't a sensation) ; i was at first frightened ; even one time i had the sensation someone was pushing my chest down to the bed not letting me rise up (like a ghost or something ) etc ;
I recolect a month ago ,before i startted do take physical exercises i was at school and suddenly for a second (maybe even shorter than that) , i felt my head falling down and a very sleepy sensation (quite intense) and i started to panic but that never happened again .
Also when i stretch my neck very intense i get dizzy and sleepy
So my opinion is that i developed "SLEEP PARALYSIS" due to longterm use of the computer, very little, or none, physical exercises ;
3 weeks ago i started taking exercises , push-ups, arm sthrengtening exercises, and i don't feel the dizzines and the HARD neck sensation so much intense ; in fact i feel realy good ; i don't even have the sensation of not breathing good anymore , except when i sleep on my back and DEVELOP "SLEEP PARALYSIS" .
So what's your story ? Do you have neck problems ? Narcolepsy ?
OOO : Even when i was a little boy(10-12 YRS) i was very lazy, all the day i felt tired and wanted to sleep for no reason ; i find this sensation quite frequent today even though when i start to do something physically active it disipears ....