The Japanese prime minister has revealed she typically sleeps for just two hours each night and asks aides to meet at 3am, ...

Sanae Takaichi drew criticism for requiring staff to work in the wee hours in a country scarred by “death from overwork.” ...

Japan’s prime minister, Sanae Takaichi, sparked fresh debate over work–life balance this week after revealing she sleeps only two to four hours a night, a disclosure that has renewed worries about the ...

We've seen plenty of new sleep hacks lately. But every now and then, it's important to look back at tricks that have stood the test of time for a restful routine. And Japanese sleep secrets are where ...