- The ideal temperature to fall asleep is between 18-30c (64-86f).
- M*A*S*H stood for 'Mobile Army Surgical Hospital'.
- Einstein slept 10 hours a night.
- Niagara Falls could fill 4,000 bathtubs every second.
- The sixth sick sheik's sixth sheep's sick' is said to be the toughest tongue twister.
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