When you u feel some stranges precenses in you life
the first Symptoms are:

- shadow shapes in perifical vision
- You hear multiple voices in you hear (whispering voices)
- objects disappear (Disappearing Object Phenomena)
- poltergeist
- playing with you mind and provoque (Sleep paralysis)
- they induce astral projections and false realities in you
mind(vision,messages from god o what ever are you religion beliefs

and the last one in mi case:
levitation fenomena with you real body

its very scary!!!