Yes, I totally agree with TS. It is vital to take control of your actions, plan every step and increase efficiency. There are certain techniques and rules which might be applied in order to achieve such results.
In my personal opinion there are a few crucial points we all have to follow:
1) Use a tool for tracking - it might be a software, notepad or personal journal. Use whatever works for you the best!
2) Always setup deadline - it is crucial since particular deadline creates limits and boundaries for our task fulfilment. Therefore, we are trying to keep up and follow it. Without exact deadline efficiency is going down.
3) Visualisation - it is my personal recommendations. I am always trying to visualise and have a full picture of current processes and tasks. For example, I am also trying to draw the way each task can be achieve, or what are the potential risks. Here how it looks like:
This is just a brief introduction. I personally take all methods and techniques from
http://blog.qatestlab.com/ where you can find different approaches and useful tools and methods. Highly recommended if you're looking for a new step in your efficiency.