
Sleep is absolutely essential for every human being. Despite scientists still not figuring out the process entirely, we still know a lot about this daily activity. Every mammal, bird and most reptiles, amphibians and fish require sleep to function. Here are 16 things you probably never knew about sleep.

Since being released in 1977, Star Wars has remained one of the most influential sci-fi films of all time. It has spawned three prequels, two sequels, TV movies, books and countless toys. Despite the vast amount of information avaible about the famous franchise, there still might be some things about Star Wars that would surprise you. Here are 19 things you might not know…

Chances are good you have a Facebook profile. Chances are even better that, if you do have an account, you check it at least once a day. You might be a professional Farmviller or the President of 100 Facebook groups, but do you really know Facebook and what you’ve gotten yourself into? It’s time for a little Facebook re-education.