"Laziness puts one to sleep, and an idle person will go hungry." The Bible.
In "Madame Bovary" by Gustave Flaubert, the laziness of the title character led to her being bored enough to invent her own destruction. Her husband was very industrious, but she led a life of leisure. Homer Simpson is a cartoon character who parodies all those workers who sleep or otherwise waste their employers' time.
"I'd be more frightened by not using whatever abilities I'd been given. I'd be more frightened by procrastination and laziness. " Denzel Washington
In the movie Wall E, which is excellent, I recommend it, the humans have forgotten how to do much for themselves and their every needs are serviced by robots
In Wall E, the humans have also made a wasteland of Earth, can you see how that goes together with Sloth?