Music To Promote Sleep - Drifting Into Delta

I had bought this music cd  back in the time when I had two job and a school to go. my lack of time to sleep was killing me slowly , so when  I try this music to promote sleep , you dont remember when you  fall sleep, the best part of this,your mind have traveled into the deep stage of relaxation and you feel like new on the next day. I still keeping this cd as a remember of those days