Feeling tired when waking up.
Uncontrollable incessant thoughts contradicting with each other.
Acting out of impulse and not knowing why you did the act
Unusual cravings and aversions that you have never felt before.
Sudden and massive changes in desire / eating patterns.
Irrational short bouts of anger
Unknown unexplainable aches and pains.
I saw myself in the mirror and felt “This is not me.”
Tendency to sabotage your own interest/growth
Being accident prone
Suicidal thoughts
Hearing voices.

These symptoms are not diagnostic but indicative of the possibility of the presence of a foreign energy. These can be verified by consulting a regression therapist and talking to your subconscious mind using various techniques.