Well, at the time I was experiencing near-total insomnia, anxiety and depression, and just the idea that I was getting treated by the professionals at Callier Center helped rein in the feeling of hopelessness.
I used Neuromonics daily for 2 years, and yes, I did sort of habituate. I also became dependent on 12.5 mg of doxylamine nightly for sleep, and I sometimes wonder if it was Neuromonics or TM that actually helped me. I've practiced TM since 1986.