1/
- Intense workouts early in the day
- A lot of water
- Sunlight
2/ - Airplane mode
- Batching email, IM, SMS, ..
- Automate payments
- It's ok to be late with administration sometimes
Books that really helped me: - The 4-Hour Workweek by Tim Ferriss [1]
- Getting Things Done by David Allen [2]
- Rework by Jason Fried [3]
[1] http://amzn.com/0307465357
[2] http://amzn.com/0142000280
[3] http://amzn.com/0307463745edit: added Rework