The only way I can close my mind to the endless chatting it keeps doing, you know the to-do lists, the calendar of events that need planning, the argument you had with the kids this morning while they were watching TV instead of putting clothes on, the endless chatter........lol, it's hard, I have to use help.
The only way I can close my mind and relax is to use CD's or tapes meant for doing relaxation exercises. They often have quiet music playing and a soft voice talking. The ones that are my favorite take me to places in my mind that is quiet, wind blowing gently, maybe birds occasionally chirping, I love the ocean ones with ships and waves...they are relaxing to me and give my brain something to process while I am concentrating on my muscle groups and systematically going from one to the other and relaxing them.
I like progressive because it taught me to be aware of how much tension my muscles are carrying around all the time. If I am feeling anxious I can do a mental check list...yes, my shoulders are touching my ears, yes, my back in in knots, yes, my legs are aching due to being so tight...
When I first started out in relaxation training I would always put in a tape one of my professors had made to go along with his book. It went through the whole body, starting with the feet and work it's way up to the top of my head. Then I could sit for a couple of minutes with my body really relaxed and was able to get up and feel so much better. It was hard at first but it is do-able if you just keep practicing.
There are a couple of different methods of relaxing. One is Progressive where you tense and release the muscles in one area then move to the next and proceed. The other is Autogenic where you tell your different areas they feel warm and heave then relaxed. Some work either way others it only works one or the other. I don't like the warm and heavy, I like the tighten and loosen. Find a method out there that works for you but try using a tape or CD that appeals to you with the sounds it is playing and the message it is giving you.
Progressive explained
http://en.wikipedia.org/wiki/Progressive_relaxation
http://en.wikipedia.org/wiki/Autogenic_training