17 Restful Photos of Sleep Around the World

We spend a third of our lives sleeping, even if we don’t fully understand why.

Almost every animal species has some kind of method of sleeping, from dolphins to leopards to fruit flies. Humans have varied sleeping habits as well—customs and patterns differ from culture to culture and country to country. And while studies suggest that our sleep patterns may be changing, we still find a way to rest. Flip through the above gallery to see how people from all over the world get their sleep.

As spring hours assert themselves, it’s a good time to ask how moving our clocks forward affects our internal clocks. Does moving sunlight an hour later really help us sleep better?  Does it really make us more productive?