Learn while you sleep. Quickly, simply and effectively.

Everything that you want to or have to learn can be learned for the most part while you sleep, whether learning languages or any other kind of knowledge. Usually we allow ourselves eight hours'' sleep a night. By the time you are celebrating your 60th birthday, you will have spent about 20 years in bed. Don''t restrict your learning to the daytime - use the night for learning, too! Without damagin...