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Key Facts In This Video
Cows don't sleep while standing up. They enter a restful state while standing, but they're easily woken in this state. 00:42
One scientist estimated that to overcome a cow's ability to brace itself and completely tip it over, you'd need five people. Still, a cow is usually agile enough to catch itself and trot away. 02:59
Stories of cow tipping began popping up in the late 20th century, and it gained steam after movies like Heathers and Tommy Boy. 03:52