Yoga Course 235. Yoga of Dreams . Knowledge in a dream . Someone sleeps a lot, someone sleeps a little, someone says that he sleeps 4 hours a day and is full of strength, and someone says that he sleeps 12 hours and is just as full of strength, and vice versa. Someone dreams, and someone says that he never dreams . The ability to sleep is very important for recovery and spiritual development. It is worth a little sleep and a person comes to nervous excitement, but then still nature takes its own and a person turns off. In yoga, sleep is used for inner development of a person, gaining abilities and beyond abilities, intellectual and spiritual power, knowledge of the universe, solving many life tasks.