We all sleep, but we don't all have the same sleeping habits. Sure, some people go to bed earlier than others, some prefer a soft mattress, others a firm one, and, of course, people sleep in different positions. But our differences go beyond these basic things. Where we are in the world also influences how we sleep, and indeed how much we sleep. In this gallery, we look at the sleep habits of people in 30 different countries/regions.
Curious to find out how you compare to people in other parts of the world? Then click on!