I think I'm being milked by space aliens?

It's the damnedest thing. Over the course of several years strange events have been happening to me. It all happens usually in my sleep? Sometimes I'll wake up in strange parts of my home and several times in my yard. Starts with the same dream, humanoid type things hovering over me, gold lights then next thing I know I wake up usually with no pants on and a strange clear jelly type substance all around my groin region? Could I be a test subject? Could these beings be milking me for my DNA and semen? Anyone else have these strange events happen? Anyone?