Elon Musk said that building Tesla's next-generation EV, which is set to enter production in 2025, will require Tesla workers to sleep on the manufacturing line.
  • Elon Musk said Tesla engineers may have to sleep on the line to build the company’s next-gen EV.
  • Tesla workers have previously said they slept on factory floors during production ramp-ups.
  • Tesla is working on a mass-market EV, which it expects to start producing in 2025.