By Alexandra Ulmer, Gram Slattery and Nandita Bose (Reuters) -As tech billionaire Elon Musk expands his influence over more than a dozen U.S. federal agencies, frustration is growing among some top aides to President Donald Trump,

Apparently, we can let sleeping DOGEs lie: Elon Musk has been sleeping on the floor in his office across the street from the White House, unnamed “Republican sources in Musk’s orbit” told People in a report published Thursday.

Elon Musk has made a number of exaggerated or unevidenced claims during an Oval Office event alongside President Donald Trump. The billionaire, who was making his first major media appearance since beginning his role as the head of the Department of Government Efficiency (Doge),