Minimalist Katsuya Toyoda demonstrates how he sleeps in his room in Tokyo, Japan, (REUTERS/Thomas Peter)

Minimalist Katsuya Toyoda demonstrates how he sleeps in his room in Tokyo, Japan, (REUTERS/Thomas Peter)

Minimalist Katsuya Toyoda demonstrates how he sleeps in his room in Tokyo, Japan, (REUTERS/Thomas Peter)

June 21, 2016 12:07 PM (UTC+8)