The United States is in the top 10 when it comes to getting little sleep, with 19 percent of the population logging 6 hours or less during the week. That’s among findings of a new study of sleep habits conducted by ACNielsen.

The study, which looked beyond the United States, found this country is a nation of night owls and early birds. More than a third of U.S. adults go to bed after midnight during the week, while nearly the same number are out of bed by 6 a.m.

“The Internet, laptop computers, PDAs, cell phones, and ever-rising expectations about what one can get done in a day have created a 24/7 global culture,” stated ACNielsen spokesman Tom Markert.

The research organization cited National Institutes of Health estimates that some 70 million Americans suffer from some form of sleep disorder. The survey was conducted over the Internet in 28 global markets and involved more than 14,000 adults.

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