All I remember is I am looking out a window in my grandmas place then I felt myself thrown on the bed. My grandma rushed in room because she heard my body hit my bed.

But the story gets weird my mom gives me a book and I see the circular shape craft in the book, but I don't know if I was dreaming it.  
Nothing happened afterwards but I don't remember going to lay on my bed.  In fact I don't remember how long anything but seeing the craft and the feeling of being dropped on my bed.  If it was a dream it's a freaky dream.  But why do I recall being dropped in my bed and why would my grandma enter my room wondering what was that sound my body hitting the bed, and why do I remember me looking out the window and seeing the craft.   
I still wonder why don't I remember  going to bed to sleep.  I remember no sound from the craft and how low it was flying.  That's all I remember.
Witness elects to remain totally anonymous; provides no contact information.  PD