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Daisuke Hori: The Controversy of Ultra-Short Sleep

Svetlana Chamoun, MD, Ph.D, DipABLM

Today, we’re diving into a topic that has sparked quite a bit of controversy: ultra-short sleep, specifically the approach promoted by Daisuke Hori. Hori, a Japanese man who claims to thrive on just one hour of sleep per night, has attracted attention—and skepticism—for his unconventional lifestyle. 

He even teaches others to drastically cut down their sleep, challenging the widely accepted idea that most adults need at least seven to nine hours of sleep a night for optimal health.