Unnnngh. Ranpo. That guy was so damn good. Make you hesitate to relax in bed, he will he will! Be all like, "in the mattress? That makes no sense...but what if..?" Then WHAMBAM, no sleep for YOU!
Have you ever read Graham Masterton's short story
Bridal Suite? In case you haven't, then I mustn't give anything away... but it was a whole ghastly new slant on
The Human Chair.
I gather I'm bumping quite an old thread. My apologies, but finding forums that interest me is more difficult than you'd think, and I tend to respond where I can.