Active noise cancelling headphones. Also, very important, train attention span, just by doing that ancient 'trataka' exercise, when you look at small flame as l

Active noise cancelling headphones. Also, very important, train attention span, just by doing that ancient 'trataka' exercise, when you look at small flame as long as you can with no blinking, tears will fall, but its ok. Do it at least once a day. In a month you will gain some terrific skill of controlled attention span.