1. Make a weekly plan. 
2. Turn your phone off. 
3. Don't multitask.
4. Prioritize your work. 
5. Be perfectly organized.
6. Measure results, not time. 
7. Have a routine and stick to it.
8. Take regular breaks.
9. Finish what you start. 
10. Automate as much as you can. 

Bonus Post :
How to stay away from Idiots without arguing? 

Before you argue with someone, ask yourself, is that person even mentally mature enough to grasp the concept of different perspectives? Because if not, there is absolutely no point.

It's saves a lot of stress too!