AsapSCIENCE: The Science of Laziness (YouTube)
Why are some people so lazy? Is there a couch-potato gene?
https://www.youtube.com/watch?v=gd7wAithl7I
Here is a list of books, including some free books, by David Bruce:
https://davidbruceblog.wordpress.com/david-bruce-books/
Check out the rest of https://davidbruceblog.wordpress.com/