Who is Daisuke Hori? Japanese man who has slept only 30 minutes a day for 12 years – Is it possible?

Daisuke Hori, a Japanese entrepreneur, has slept just 30 minutes per day for 12 years to improve productivity. He founded the Japan Short Sleepers Training Association and trained over 2,100 students. Health experts warn against chronic sleep deprivation risks. The approach has sparked debates online.