Twitter office space has been converted into bedrooms

Per BBC: Elon Musk reportedly retrofitted numerous conference rooms to bedrooms.

San Francisco Mayor London Breed has started an investigation into the offices turned into bedrooms at Twitter's headquarters.

Elon Musk has criticized him, and the investigation.

Meanwhile, the city's Department of Building Inspections is investigating potential violations of the building code, per BBC.

Mr Musk accused the city of attacking companies providing bedrooms for "tired employees".