U.S. Teens in Our World: Understanding the Health of U.S. Youth in Comparison to Youth in Other Countries.

In The Past Six Months, How Often Have You Had Sleep Difficulties?

The percent of 15-year-olds with sleep difficulties at least once a week in:

France is 37% of females and 23% of males
USA is 31% of females and 26% of males
Wales is 28% of females and 22% of males
Canada is 27% of females and 20% of males
Northern Ireland is 26% of females and 22% of males
Latvia is 25% of females and 16% of males
Scotland is 25% of females and 16% of males
Israel is 24% of females and 24% of males
Ireland is 24% of females and 19% of males
Greece is 24% of females and 19% of males
Portugal is 23% of females and 17% of males
England is 23% of females and 17% of males
Sweden is 22% of females and 19% of males
Germany is 21% of females and 15% of males
Denmark is 20% of females and 15% of males
Czech Republic is 19% of females and 14% of males
Poland is 19% of females and13% of males
Greenland is 18% of females and 17% of males
Norway is 16% of females and 12% of males
Hungary is 16% of females and 11% of males
Lithuania is 16% of females and 9% of males
Switzerland is 17% of females and 7% of males
Estonia is 15% of females and 12% of males
Finland is 14% of females and 13% of males
Russian Federation is 14% of females and 8% of males
Slovakia is 15% of females and 6% of males
Belgium (Flemish) is 13% of females and 7% of males
Austria is 13% of females and 7% of males