Cavernous angioma?

  After hearing of Florence Joyner's death due to cavernous angioma,
  I have been concerned that what I have experienced may be caused by the
  same condition.  I am now 27 years old and approximately 4 times since I
  was a teenager the following occured during my sleep.  I would suddenly
  wake up from a deep sleep and not be able to move or breath. I don't know
  exactly how long each episode lasted but it would slowly go away to where I could
  move and breath again.  I never felt as though I was jerking as with a
  seizure so I do not know if it could be cavernous angioma.  Any information
  you can give is appreciated.
  Thank you
  Lynn
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The condition you mention is a classic description of sleep paralysis,
which is a benign but frightening condition which the a surprisingly large
number of people experience at some time in their lives.
Essentially this is a state of partial arousal from REM sleep,
During REM or Rapid Eye Movement sleep there is complete muscle paralysis,
presumably to stop us from acting out our dreams.
In sleep paralysis there is a carry over of this muscle paralysis into
the aroused state, so that the person lies there, unable to move a muscle
for a period which probably seems much longer than it actually is.
There is absolutely no association with seizures, epilepsy, sudden death,
or cavernous angioma. This is  benign condition which was reported in
over 20% of college students in one survey.Up to 505 of people experience
it at some time in their lives.