Thanks for your query on HealthCareMagic.
It seems that you are very distressed and suffering a lot because of the problem.
Your description could be due to several reasons- namely epileptic fit, REM sleep disorder
or psychological problem.
The good news is that, it appears to be a treatable condition. You may need some investigations to find out the cause such as EEG, sleep study, video telemetry.
Consult your local neurologist
or sleep medicine