Stay focused on whatever you are doing for 25 minutes at a time. Perfect study technique! http://www.pomodorotechnique.com/download/pdf/ThePomodoroTechnique_v1-3.pdf. Don't have a timer? The free "Focus Booster" timer is available as an app for your PC desktop or your smart device (eg. in the iTunes store).
Time Timer Programs Give the gift of time management this holiday season! The Time Timer — the bright red clock that gives you a visual idea of exactly how much time you have left — is now available for your iPhone, iPad, Android, or desktop computer! It’s easy to use, customizable, and packed with features to help ADHDers get through any tough task.