That sounds like really good advice. The reason I asked this question is because I was wondering if it was the only way to get an LD.
Few nights ago, I tried listening to an mp3 for Lucid Dreaming from here and did it while I was lying on my back. I did reach a point where my body felt like stone and couldn’t move my limbs, but couldn’t go beyond that (because I had a nasty cough). But after that failed attempt, my back hurt, cause it’s not a natural position for me.