http://www.yogapoint.com/Courses/Course7/yoganidra/ses1_ind.htm
After attending a speed reading course recently, I was given a meditation CD titled “yoganidra”.
I found it much like hypnotherapy, except much less reliance on you to imagine things and more focus on relaxing your body in a step by step method. Admitedly it was late and I was tired when I tried it, but I pretty much conked out in the first 10 minutes and awoke to the bit which says “you can now wake up to a concious state. You have now finished Yoga Nidra.” Much like the hypnotherapy stuff I’ve used in the past.
I’ve had various people tell me how hypnosis is similiar to yoga and meditation so I guess this just proves, its the same thing with two different names.