Do you ever wonder how top achievers get so much done? Most often, their success is largely due to smart, strategic habits they’ve developed over time.

As part of my work, I meet with hundreds of people every month — many of them founders, CEOs and other highly successful people. During these meetings, I get a sense of what habits have helped them become top performers and successful entrepreneurs. Here are the most common nine productivity tips that come from the most successful people I’ve met.

Related: Want to Be the Next Apple? Here’s the Secret Sauce Used By Steve Jobs to Build Consumer Trust.