Yoga is probably best known as a comfortable form of relaxation, both on a physical and mental level, but it involves a lot more than that. Relaxation is only the first step.
It is easy to practice Yoga Nidra. You lie completely motionless on your back, and listen to the instructions given. The technique is used by people who need an effective relaxation. Many use the Yoga Nidra tape or CD without having any other knowledge...