What gadgets and software applications do you use on a day-to-day basis? Steve Wozniak: I have such a crowded life and crowded schedule. When people send me a link with a gadget, I’ll look at it and buy it if it looks interesting, but I don’t have time to check out

Mornings Musk wakes up each morning at around 7 am. He says he likes getting around six to six-and-a-half hours of sleep per night. Sleeping in is not an option for him, saying it affects his performance more than if he sleeps less. After getting up, he showers, dresses, and

Thomas Alva Edison (February 11, 1847 – October 18, 1931) was an American inventor and businessman who has been described as America’s greatest inventor. Edison used napping to counterbalance the intensity of his work. Most days, he took one or two brief naps — on his famous cots, outdoors in

Leonardo da Vinci (14/15 April 1452 – 2 May 1519) was an Italian polymath of the High Renaissance who is widely considered one of the most diversely talented individuals ever to have lived. Leonardo da Vinci slept for only 20 minutes every four hours. There was no long nighttime sleep for him.