what is mean by this story? I can't understand it please tell this to me.

The Sleep Man distributed sleep to everyone but he could not sleep himself. Hence, he stole the sleep of an old lady. Now he could sleep but the old lady could not. The old lady's grandson was very worried and he went to the Kingdom of Dreams. He found the Sleep Man sleeping. So he complained against him to the God. Finally, the Sleep Man had to return the old lady's sleep.