The sewing machine
Inventor Elias Howe said he dreamed of being attacked by spear-wielding tribesmen. Their spears had holes near the tips. He woke up and realized that’s where the needle hole should go. Boom: modern sewing machine. (Thanks, nightmare!)

The birth of chiropractic
In 1895, D.D. Palmer claimed a ghost told him the spine was the key to health. People laughed… until millions of patients later, nobody’s laughing anymore…

Frankenstein
Mary Shelley said the idea for Frankenstein came from a waking dream, which she described as “a ghost story.” Today, it’s one of the most famous books ever written and inspired centuries of science fiction.

Abraham Lincoln
Before his death, Lincoln dreamed of seeing his own body in the White House East Room. After he was assassinated, his body was placed there. Creepy… and kinda accurate.

Kekulé
Chemist August Kekulé dreamed of a snake biting its tail, a symbolic “ghost vision” that led him to discover the ring structure of benzene, revolutionizing organic chemistry