Bhagawan Yogiramsuratkumar
If you feel that prayer, meditation, remembering God is much more important than any other worldly matter; you will have more concentration on japa.
Please check these: Excerpts from a discourse by our Sri Sri Muralidhara Swamiji
http://guruandnamakirtan.blogspot.com/2010/03/human-birth-is-meant-only-for-purpose.html
http://guruandnamakirtan.blogspot.com/2010/11/much-more-valuble-is-hour-consiously.html
Chant the Mahamantra Nama kirtan :
Hare Rama Hare Rama Rama Rama Hare Hare
Hare Krishna Hare Krishna Krishna Krishna Hare Hare