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Japanese entrepreneur's minimal sleep claim undermined by livestream snooze

A Japanese business figure who claims to function on just 30 minutes of sleep daily repeatedly dozed off during a week-long online broadcast intended to substantiate his extraordinary assertion.

LSN Vietnam · 19 September 2026

Japanese entrepreneur's minimal sleep claim undermined by livestream snooze

A Japanese entrepreneur's assertion that he has maintained a grueling sleep schedule of merely 30 minutes per day for nearly 17 years faced credibility challenges this week when he appeared to fall asleep multiple times during a livestream designed to validate his claim.

The businessman conducted the week-long broadcast as an attempt to demonstrate his purported superhuman ability to function with minimal rest. However, observers watching the online stream noted several instances in which he appeared to drift into sleep, contradicting the very premise he sought to establish.

The incident has drawn attention to the broader question of human sleep requirements and the scientific basis for such extreme sleep deprivation claims. Medical experts generally emphasize that adequate sleep is essential for cognitive function, physical health, and overall wellbeing, with most adults requiring seven to nine hours nightly.

The livestream served as an unintended reality check on claims that have circulated about the entrepreneur's unusual sleep habits. While some individuals do report functioning on reduced sleep schedules, the evidence of nodding off during the verification attempt suggests significant gaps between assertion and demonstrated capability.