(p. B4) Elon Musk is tired, his back hurts and his mom wants him to get some sleep.
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A self-described nanomanager, Mr. Musk has long waded deeply into the weeds of the companies he runs, including SpaceX and Tesla Inc., green up pointing triangle routinely working late into the night and sleeping little. His tenacity has led to superhuman-like accomplishments, such as landing space rockets and making electric cars sexy.
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Since taking ownership of Twitter Inc. in late October [2022], Mr. Musk’s workload has exploded to more than 120 hours a week from as much as 80 hours before, he told investor Ron Baron in November at a conference.
“I go to sleep, I wake up, I work, go to sleep, wake up, work—do that seven days a week,” Mr. Musk said.
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Even before buying Twitter, Mr. Musk wasn’t a “chill, normal dude,” as he once joked on “Saturday Night Live.” Mr. Musk has said he usually goes to sleep around 3 a.m. and typically gets six hours of shut-eye before waking and immediately checking his phone for any new emergencies.
These days, Mr. Musk has said he is sleeping at Twitter headquarters in San Francisco. He has even provided beds for employees.
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Concerns about Mr. Musk’s health had circulated a few years ago, ignited by photos of him that appeared to show a new scar on his neck. In 2020, he confirmed he had two surgeries, the first a failure, to address neck pain.
His pain, Mr. Musk has said, traces to a birthday party thrown years ago by his second wife that was attended by a sumo wrestler.
Mr. Musk took to the ring and—according to him—managed to throw the 350-pound opponent, resulting in an injury to his spine. “It cost me smashing my c5-c6 disc & 8 years of mega back pain!” Mr. Musk said on Twitter last year.
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Entrepreneur Arianna Huffington at one point in 2018 pleaded with Mr. Musk to take better care of himself.
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He responded with a tweet sent at 2:32 a.m.: “Ford & Tesla are the only 2 American car companies to avoid bankruptcy. I just got home from the factory. You think this is an option. It is not.”
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(Note: the online version of the story was updated February 5, 2023, and has the title “When Does Musk Sleep? He Speaks of Limits to Fixing Twitter, Back Pain.”)