Complex sentence: At his log cabin he receives a letter from Alyss stating that Will told her in a dream that he loved her, and that Horace has told her that although it seems like a dream, it might not be.
Split into simpler sentences: At his log cabin he receives a letter from Alyss stating that Will told her in a dream that he loved her. Horace tells her that although it seems like a dream, it might not be.