What Causes Vomiting Feeling In Dream Followed By Vomiting After Waking Up?

hey has this ever happened to anyone else? I m a 28 year old female and every once in a blue moon I ll having a vivid random dream and out of no where for no reason in the dream I ll start gagging like I m about to throw up. I have a lucid dream and realize what s happening but I try to ignore it and hold off as long as I can not wanting to leave the dream Then I wake up and grab the garbage can and vomit up Bile a few times. I look around in my.bed to see If I actually produced anything in the dream before I wake up but there s nothing. Not even saliva. But I m baffled cuz I remember the dream and I remember feeling that my body was actually gagging for quite a bit during my dream before I woke myself up.