I thought "unrest" was the opposite of rest. And, since I hated resting, I thought it was a good thing.
I also thought "uneasy" meant "hard" or "difficult".
A childhood belief about speaking

others believed things like this
- I thought that a person's motorskills meant how good they were at driving!Anon
- I thought when someone was described as being "mild-mannered" it meant they didn't have very good manners— Samilton Duerheiser
- I thought that exorcise and exercise both meant the same thing— Dobby Bob
- When I used to see a sign saying "Littering Fine" I thought they meant if you littered REAL GOOD!— Lou V.
- I thought the phrase "At one's disposal" meant you should dispose of the person or thing.— Geirskogul
- I thought “guerrilla tactics” meant fighting like a gorilla— beating your chest and that sort of thing.— Kai