Tesla at the automaker’s Shanghai facility will have to sleep on the factory grounds when Tesla restarts production after a three-week shutdown, Bloomberg reported Monday. The publication cited others familiar with the matter who said the location would serve as a “closed-loop system” for additional closures as part of China’s zero-tolerance policy for COVID-19 infections. The electric carmaker sent a memo detailing how the formula works, which Bloomberg obtained, saying Tesla will provide a sleeping bag and a bed and separate part of the plant to use as a bed. Tesla said in the memo that there will also be…