Paranormal activity, maybe.
Someone else encountered the same experience as you but different. She was sleeping in a camp with her partners and in her dream, some figure that looks humanoid place a ring shaped thorn on top of her head like some Jesus figure and she starts to feel so much pain as if the thorns are piercing deep in her head until she screamed so hard she woke up.
What's worse is that when her colleagues point flashlight on her face, her entire face is getting covered in blood, they found out that she's bleeding on the top of her head. She's fine, she went to the hospital and recovered but the doctor said that the top of her head were bitten real hard by a fox during her sleep. Reality could manipulate our dreams when something is happening without our awareness.
I found this story on one of Mr.Ballen's videos. I can't tell which because some of his videos has multiple stories to tell.