"When people tell me I've kept them up all night, I feel like I've succeeded"

This quote by Sidney Sheldon speaks to the power of his writing. He is revealing his satisfaction in understanding that his work has had such an effect on his readers that they are not able to put it down. It is a testament to his skill as a storyteller and his capability to mesmerize his audience. He takes pride in the fact that his work has actually been so engaging that it has kept people up all night. It suggests success for him, as it reveals that his stories have actually been able to draw individuals in and keep them connected. He is proud of the fact that his work has had the ability to make such an effect on his readers.