1 Once a week, look at your to do list  (e.g. Wunderlist), Customer Relationship Management system (e.g. icomplete) or Notes(e.g. Evernote).

2 Identify 5 essential tasks to complete by the end of the week. 

3 Do whatever it takes to get those 5 essential tasks done.

That's just one essential task each work day, allowing you plenty of time for distractions. 

Top Dog Tip - If you're not a 'plan in advance' kind of worker, there's a good chance, you'll underestimate the time it will take...