Here is some written a few yearsw ago..

Some days, it feels like you have the weight of the world on your shoulders. You may feel like you will never get anything done. While the occasional overloaded day is one thing, if every day at work feels like you have too much on your plate, then you may need to analyze your workload to determine where you can lighten it up. Many times, a workload analysis will reveal that you are actually spending way too much time doing things that you really do not need to devote a lot of time to.

Here are some tips for analyzing your workload:

Keep a daily timeline
For a week, write down the time increments that you work each day. Chart not only the jobs you planned to do during a period of time, but also the things that you ended up doing, including things that might have distracted you or additional chores that you did during that time. This will help you determine how you are spending your time and show you where there are potential distractions that can be eliminated.
 

Tally the number of times you check your email
Some experts estimate that it takes nearly 20 minutes to recover from the “break” of checking email. If you check once an hour, that is a third of the hour lost – and most people check their email far more frequently. Try to schedule your email checks so that they happen on a regular schedule, and resist the temptation to check in the intervening periods of time.
 

Watch out for social networking
Even if Facebook is part of your job, it can quickly eat away at your day. Social network at the end of your day, not the beginning, and unless you need to check your profile for work, let it slide off the list completely unless you have free time later. Resist the urge to post the cute thing your dog did or the annoying thing your boss did; after all, if you’re posting, then everyone can see that you’re not working!