Pick up a stone in a strange place and put it under the pillow for three nights. If you dream, it will come true.
Newfoundland.

Pick up a stone in a strange place and put it under the pillow for three nights. If you dream, it will come true.
Source: Current Superstitions (1896), entry 598.
Fanny D. Bergen, editor.
Modern normalized navigation; the historical attribution above remains unchanged.