- Manage your settings in a way that you can purposefully avoid distractions of email popups/ mobile message tones etc; else they will manage your attention
- Each time your mind wanders, tell yourself that you are distracted. This activates the brain circuitry and makes it easier to get back to what you were supposed to do
- Build up your mind muscle by way of daily meditation focusing on your breath. In the mental gym, the more you focus your mind wandering and take efforts to bring it back to focus on your breath, the stronger your concentration becomes
- Focus on a few set of things only and deploy a relaxation method. This helps in reducing stress which often is the cause of lack of focus
- Focus on getting a good sleep to reboot your brain, if necessary adopt a short mid day nap
- Eat high protein and low carbs at breakfast and lunch. Protein become brain's fuel slowly giving steady energy to remain focused for long
- Sipping caffeine slowly allows a more steady dose for long and results on longer period of focus
He's also written a book on the topic, and there is a review in the NYT.