Running around in circles will only get you back to where you started
When everything feels urgent, getting a clear overview on what's important can be overwhelming.
The ROI of the Impact / Effort matrix
In preparing for battle I have always found that plans are useless, but planning is indispensable.
Dwight D. Eisenhower
Planning is your best guess at that moment of time. Don't waste too much time in getting the guesses right.
Focus on validating your assumptions about the guesses.