Polymath Leonardo Da Vinci preferred to sleep for 20 minutes at a stretch, 6 times a day. — Italian polymath Leonardo Da Vinci’s most popular work includes his paintings like Monalisa, the Battle of Anghiari, and The Last Supper. However, he was more than a painter. Da Vinci was a painter, sculptor, architect, scientist, mathematician, geologist, cartographer, engineer, inventor, and biologist. His interest moved from one subject to…