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.
If you can't reach the REM stage, you can develop severe stress issues because your brain simply cannot adapt to new informational input. You get overwhelmed. You can't restore peace, and delusional breakdown are not uncommon when you can't have this sleep stage for more than 72 hours. This can be very critical on a chronic basis. Medication is not the answer.