The Portuguese, it turns out. 3/4 of them stay up past midnight. Next in the night owl rankings come Taiwan, Korea, Hong Kong, Spain, Japan, Singapore, and Malaysia, in that order.
And how about the earliest risers? 91 percent of Indonesia is up before 7 a.m.. Then come Vietnam, Philippines, Denmark, Germany, Austria, Japan (hey, they stay up late too; 41 percent catch less than six hours), India, Finland, and Norway.
The biggest snoozers? The Australians — 31 percent of them sleep more than nine hours a day, or lie very badly. As always, we are sampling only those who can and do respond to the survey. The study was by Nielsen, here is one summary.