Well explained by the picture ...

Procrastination picture provided by Grant Snider for INCIDENTAL COMICS at http://www.incidentalcomics.com/2020/10/procrastination.html

"One of the great challenges of our age, in which the tools of our productivity are also the tools of our leisure, is to figure out how to make more useful those moments of procrastination when we're idling in front of our computer screens." -- Joshua Foer, https://www.ted.com/speakers/joshua_foer

TED Talk: Inside the mind of a master procrastinator | Tim Urban
https://youtu.be/arj7oStGLkU

https://procrastination.com/what-is-procrastination