Elon Musk has been sleeping on the floor of his DOGE office in the Eisenhower Executive Office Building, a structure situated just steps from the West Wing, sources tell PEOPLE

Elon Musk will work under President Donald Trump as a “special government employee,” designating Musk as an unpaid employee of the federal government with fewer restrictions than full-time employees, according to the White House, as Musk’s so-called Department Of Government Efficiency has involved itself in multiple federal agencies in recent days.

President Donald Trump’s most powerful adviser, Elon Musk, made a rare public appearance at the White House on Tuesday to defend the swift and extensive cuts he’s pushing across the federal government while acknowledging there have been mistakes and will be more.