As a company's steer holder, the CEO or founder takes plenty of pressure ordinary people even cannot imagine. They usually need to deal with different aspects of daily operation of a company including technology, business, marketing, public relationship etc. Lots of meetings, negotiations and presentations are waiting for them every day. Hence time is a precious resource for them. Let's take a look at how these CEOs spend their time in their work.1. Apple CEO Tim CookGets up at 3:45 amStarts to read and reply emails at 4:30 amGoes to gym at 5 o'clockLeaves the office very lateNo time to t...