but seriously, tape yourself sleeping, even if your nails are short the edges may be rough or you may scrape yourself on some part of the bed or something. Worst case take a sea bath and buy blue clothes if you see anything trying to jump you on the video of you sleeping.
signs of a poltergeist....no shyt....lol..this actually happened to a relative in there beach house they ended up selling it.....but it was much worst...