I had it happen twice that I can remember. Once I hallucinated that I had a third arm that snaked around to my desk lamp, and just last night that someone whisp

I had it happen twice that I can remember. Once I hallucinated that I had a third arm that snaked around to my desk lamp, and just last night that someone whispered "hello" into my ear. Apparently that last one's pretty common. I've never seen the shadow man or anything.