My heart rate was around 150 almost too fast to count, and very paniky feeling. I almost called 911, but waited, and
finally drifted back to sleep
. I have had fibro for many years, and symptoms like this seem to come and go in cycles. If you keep experiencing them, tell your primary dr, and see if he recommends a cardio checkup. Better safe than not. Just because you have fibro, doesn't mean other things can't go wrong.