Dream Yoga is also known as lucid dreaming or astral projection, the etheric body can travel in dreams. There is every possibility of it leaving your body. When you remember it, it is remembered as a dream, but it is not a dream in the same sense as the dreams of the physical body. The etheric body can go out of you when you are asleep.
Often lots of people’s third eye are not open because they are blocked. The third eye is a sixth chakra but connected to the first, second and third chakra’s and blockages in this lower chakra’s will also cause a blockage in the sixth. Oftentimes, the cause of blockages are fear and disbelief, though Tibetans and Indian yogis believe third eye is blocked for past life karma . Some people refuse to believe that they are blessed with a sixth sense while others are anxious of the images they might see once they have opened theirs.
Osho, a contemporary mystic speaks on virtually every aspect of human consciousness. In these talks Osho Talks about Esoteric Science and Third Eye.
Irrespective of your level of meditation capability, you may be interested in discovering that certain brainwaves make out of body experiences more plausible, and there are meditations to transport your brain into this kind of state. This is a real technique to aid you! The brain, like anything else, vibrates at certain frequencies, which generate certain chemical processes. You could very well have heard of the alpha, theta, and delta waves as we experience nightly sleep. There are analaguous brain waves for every state, including the out of body experience
All human beings Pineal Gland or The third eye can be activated to spiritual world frequencies A pineal gland once tuned into to proper frequencies with help of meditation, yoga, or various esoteric, occult methods, enables a person to travel into other dimensions, popularly known as astral travel or astral projection or remote viewing.