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Elon Musk has long been associated with gruelling work schedules and minimal sleep, a lifestyle choice that he has openly acknowledged.
The study suggests that improving sleep quality might help delay or even reduce Alzheimer’s risk. (Photo credits: X)
Sleep is crucial for, well, everything. From memory consolidation to immune function and emotional regulation, there’s hardly an aspect of life that isn’t affected by the quality of rest we get each night. Yet, in an era where hustle culture glorifies sleepless nights, many – especially high-profile entrepreneurs – have pushed sleep down their priority lists. One such name that frequently comes up? Elon Musk.
The billionaire tech mogul has long been associated with gruelling work schedules and minimal sleep. His relentless drive to innovate at companies like Tesla, SpaceX and Neuralink has often seen him working through the night, a lifestyle choice that he has openly acknowledged. However, a new study has seemingly given Musk a moment of pause, prompting him to rethink his stance on sleep – or at least react with an ‘Uh oh.’
Musk recently took to X (formerly Twitter) to share his reaction to a study that suggests poor sleep could shrink the brain and increase the risk of Alzheimer’s disease.
The research, which tracked over 270 adults for 13 to 17 years, found that reduced time spent in slow-wave and REM sleep was linked to brain shrinkage in regions affected early in Alzheimer’s. Notably, less deep sleep was associated with smaller volumes in the inferior parietal cortex, a region critical for memory.
“Reduced neuroactivity during sleep may contribute to brain atrophy, thereby potentially increasing the risk of Alzheimer’s disease,” said Gawon Cho, a public health researcher involved in the study. Even after adjusting for various health and lifestyle factors, sleep remained a powerful predictor of brain health. The findings suggest that improving sleep quality might help delay or even reduce Alzheimer’s risk.
This revelation is particularly interesting given Musk’s well-documented sleep habits. In a 2022 appearance on the Full Send podcast, he had revealed that he usually goes to bed around 3 a.m. and wakes up between 9 and 9:30 a.m. The following year, he told CNBC that anything less than six hours of sleep negatively impacted his cognitive function. “I’ve tried to sleep less, but… even though I’m awake more hours, I get less done. And the brain pain level is bad if I get less than six hours,” he reportedly admitted in May 2023.
Despite these admissions, accounts from biographer Walter Isaacson indicate that Musk has only leaned further into his sleep-deprived lifestyle in recent years, often suffering from stress-induced nausea and vomiting.
Whether this latest study will inspire a change remains to be seen, but one thing is clear—science is not on the side of sleepless nights, no matter how innovative the dreamer is.
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