European settlements in the Caribbean began with Christopher Columbus. Carrying an elaborate feudal commission that made him perpetual governor of all lands discovered and gave him a percentage of all trade conducted, Columbus set sail in September 1492, determined to find a faster, shorter way to China and Japan.
In fact, a 2007 Canadian study found that people who sleep only 5 or 6 hours a night increase their likelihood of being overweight by 69 percent, compared with those who habitually sleep 7 or 8 hours.
One way to understand why we sleep is to look at what happens when we don't get enough: 1  As you know if you have ever pulled an all-nighter, missing one night of sleep is not fatal.What we all know is that, with a good night's sleep, everything looks and feels better in the morning. Both the brain and the body are refreshed and ready for a new day. Dreams are another important part of sleep. We'll take a closer look at how dreams work in the next section.