What a possession (P) sounds like.

Hello lovely souls. We can accurately describe for readers and loved ones what a possession (P) actually sounds and feels like, in most instances.

A possession is a very overpowering cacophony of noise/buzzing and generates boundless amounts mental and physical energy that leads to an extremely powerful crescendo.

And then… Absolute Silence when the possession ends; Just as you see and experience in this clip from Lucy. For readers that want to view this clip, you have to go no further than 1:11 (3) to experience what a possession is really like.
If the possession is powerful enough, a physical/mental crash can occur and one can end up physically exhausted and extremely depressed