It is the same with everything else, with food, with pleasures, with sleep; with everything there is a limit to what is necessary. After this "sin" begins. This is something that must be grasped, a "sin" is something which is not necessary.
Let us take some event in the life of humanity. For instance, war. There is a war going on at the present moment. What does it signify? It signifies that severals of sleeping people are trying to destroy severals of other sleeping people. They would not do this, of course, if they were to wake up. Everything that takes place is owing to this sleep.
You can never awaken using the same system that put you to sleep in the first place.