Those log cabins tend to be quite drafty. A cold breeze down the back of your neck can feel like someone touching it. As far as seeing apparitions, candlelight definitely casts shadows that certainly can seem like something moving ahead A few dreams, and you've got a ghost.
I never liked challenges that restricted my writing. Reminded me too much of school assignments that I did very well but hated the confinement.
As a result of having only 100 words, your story seemed cut off at the end.
