What Is The Cure For Sexsomnia?

hi, my name is Carol-i have just ended my relationship with the love of my life as i have developed depression, anxiety and ptsd due to his sexsomnia and what he has done to me in his sleep. im drinking a lot, im on anti-depressants for my clinical depression/anxiety and panic attacks, and i have uncontrollable anger issues. i have also developed hypervigilance due to the assaults. the last time i slept with Ian was in March 2012 when i woke up to his hand round my throat choking me. we had no idea until we researched on the internet about sleep disorders (that next morning) that we were dealing with sexsomnia. i always knew there was something stopping me letting him move in with me and marry him so i have left him several times over the last 6 years. my question is this-i love him and everything else about our relationship is healthy and loving-is there any way i can get help for my anger/rage and be able to be with Ian in a healthy relationship. please note there is no cure for sexsomnia-he has had a sleep study, been put on anti-seizure medication/anti-depressants/sleeping tablets-none of which worked-i took a leap of faith and went to bed with Ian mid last year-the attack still happened though it was milder. im going out of my mind with loneliness, frustration, sadness, and most of all anger at the whole situation (not Ian-i love him) but he cops the brunt of my rages that get really physical on my part-enough to give him black eyes/fractured jaw etc