At last David reminds :

In fact, the happier you are, the more productive you will become. According to psychologist and happiness researcher Shawn Achor, who wrote the bestselling book The Happiness Advantage, when your brain is happier, it “performs significantly better than it does at negative, neutral, or stressed. ...

The constant bling and buzz of our phone, email and texts can make it almost impossible to concentrate on what we’re working on.

If you are in the midst of a project, turn off your notifiers so you can concentrate and finish what you’re working on and then tend to other matters.

• It frees up mental space so you can think more clearly and concentrate better.
• Better retention. Writing by hand engages multiple senses  (visual, kinesthetic, and tactical ) which helps commit tasks to memory. It also signals to your brain that your goals are importan...